The hottest UX Design Substack posts right now

And their main takeaways
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Top Design Topics

AI Hallucinations on the Decline

Jakob Nielsen on UX • 21 implied HN points • 13 Feb 25
🕹 Technology UX Design
  1. AI models are getting better at reducing false information, called hallucinations. This means they are less likely to make things up over time.
  2. Bigger AI models generally make fewer mistakes. As AI technology improves, we can expect even fewer errors from future models.
  3. While waiting for better AI, improving user experience can help users spot and double-check misleading information, making it easier to trust AI outputs.

How to optimize button microcopy

UX Psychology • 79 implied HN points • 04 Nov 21
🕹 Technology UX Design
  1. Microcopy plays three main roles: motivate a user to take action, help guide the user, provide feedback on the actions taken
  2. Effective button microcopy uses action verbs instead of generic words to clearly describe the user action, matches the button copy with the action, and maintains consistency in writing
  3. Good microcopy should be transparent, avoid jargon, pay attention to capitalization, and be user-centered with testing and understanding user needs

UX Roundup: AI-UX One-Day Conference | AI Format Remixing | UXR Prompt Cheatsheet | Research Report Renaissance | Worst UI Ever | Flexible Displays | Scaling Law for Physical AI | Podcast | Le Chat

Jakob Nielsen on UX • 25 implied HN points • 25 Nov 24
🕹 Technology UX Design
  1. There is an online conference on December 4 that focuses on using AI in UX design. It's a great chance to learn about best practices and improve your skills.
  2. AI can help repurpose content into different formats, like turning articles into videos or podcasts. This makes sharing ideas easier and more engaging.
  3. Keeping a research repository is important because AI can quickly pull insights from past studies to answer new questions. This saves time and improves the impact of user research.

Creating personas with secondary data

UX Psychology • 59 implied HN points • 05 Jan 22
🕹 Technology UX Design
  1. Personas are crucial in design, representing target users based on research. They help focus design efforts, improve team communication, make assumptions explicit, and bring empathy to the process.
  2. Secondary data can be utilized to create personas, saving time and costs. Social media, case studies, and internal research are potential sources.
  3. Creating multiple personas ensures a more accurate representation of the target group. It's essential to limit personas to 3-4 major ones, each representing a segment of the target users.

UX Roundup: AI Research Window | AI Skill Substitution | World Economic Forum Predicts More UX Jobs | AI-UX Consultant | Bad Bird Lip-Synch

Jakob Nielsen on UX • 19 implied HN points • 20 Jan 25
🕹 Technology UX Design
  1. There is a limited time to study how people use AI since soon everyone will have experience with it. Right now, researchers can still compare results between people who use AI and those who don't.
  2. The introduction of AI is changing job markets significantly. Some jobs, like translation, are declining, while others, like web development, are booming because AI helps workers be more productive.
  3. The World Economic Forum predicts that UX jobs will grow by 50% in the next five years. While there's some skepticism about job predictions, there is a general agreement that UX roles will keep increasing as AI continues to evolve.
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UX Roundup: Poor AI Performance Conversing with Patients | AI Character Mashups | 2025 AI Trends | Accelerating Science

Jakob Nielsen on UX • 15 implied HN points • 13 Jan 25
🕹 Technology UX Design
  1. AI does not perform well in conversations with patients. It struggles to ask important follow-up questions, leading to missed information.
  2. Some famous characters are now public domain, allowing for creative mashups and new stories using AI. This could change how content is produced.
  3. In 2025, we can expect powerful AI trends, including smarter AI agents that can think and plan, and a mix of very large and very small AI models for different uses.

Heuristic evaluation vs. user testing

UX Psychology • 39 implied HN points • 20 Jan 22
🕹 Technology UX Design
  1. Heuristic Evaluation involves experts examining an interface to find good and bad points, following specific industry standards for evaluation.
  2. User Testing is a more effective method since real users perform tasks on the interface, detecting major usability issues and providing valuable insights.
  3. While Heuristic Evaluation is quicker and cheaper, User Testing offers better performance estimates and detects more significant problems that affect user experience.

UX Roundup: OpenAI Product Roadmap | Parallel and Iterative AI Use | Virtual Boyfriends | Jakob in SF | Dropdown Menus | Early GUI | AI Urgency | Perplexity Deep Research

Jakob Nielsen on UX • 11 implied HN points • 17 Feb 25
🕹 Technology UX Design
  1. Grok 3 is about to launch and promises to be a smarter AI. It’s important to compare it with future models like GPT-5 to see how much better they become.
  2. OpenAI has simplified their product naming, making it easier to understand what each version offers. GPT-5 will also come with better features for users who pay for a subscription.
  3. The way we use AI in creative work can really boost quality. Using multiple models and refining ideas helps combine the best outcomes, making it a collaborative tool not just a replacement.

Embrace AI’s Uncertainty in UX

Jakob Nielsen on UX • 29 implied HN points • 06 Mar 24
🕹 Technology UX Design
  1. In the age of AI, the design landscape is changing as we embrace the uncertainty of probabilistic systems, leading to a redefinition of traditional design roles and processes.
  2. Using AI in user research introduces new challenges, such as increased variability and a shift towards more qualitative studies over quantitative ones.
  3. Designing for AI means relinquishing control over the final user interface and embracing a design approach focused on creating rules and heuristics for AI-generated content.

UX Roundup: Designing AI Voices | AI Narrows Skill Gaps | New Music Video | Talk to Santa | Misadventures in Image Prompting | Bezos 95% AI | Multi-Tool AI Workflow | AI-UX Jobs

Jakob Nielsen on UX • 11 implied HN points • 16 Dec 24
🕹 Technology UX Design
  1. AI voice design can now express emotions, allowing users to create custom voices with specific feelings like enthusiasm or assertiveness. This could be especially valuable for brands looking to connect with their audiences more effectively.
  2. Recent studies show that AI helps less skilled users improve more than skilled users, meaning it can level the playing field. AI acts like a mental forklift, making complex tasks easier for everyone.
  3. Combining different AI tools is often necessary to create things like music videos, as each tool has its strengths. There's a big opportunity for new AI products that simplify this process and focus on user intent.

UX Roundup: AI-First Design | Dark Design | Non-Deterministic UX | Jakob Live | User Research Job

Jakob Nielsen on UX • 27 implied HN points • 29 Jan 24
🕹 Technology UX Design
  1. AI-first products involve retrofitting AI onto existing software for productivity gains, but true advancements come from rethinking work processes and building new AI-first products.
  2. Avoid dark design patterns in UX to create ethical and user-friendly interfaces.
  3. Designing for non-deterministic UX involves adapting to AI systems that generate outcomes dynamically and focusing on ambiguity and dynamism.

UX Roundup: Top AI Tools | Fewer UX Firms and Teams | UX Fails in Apple Vision Pro | UX Job

Jakob Nielsen on UX • 25 implied HN points • 26 Feb 24
🕹 Technology UX Design
  1. AI tools play a significant role in UX design, and professionals are encouraged to share their experiences with them for future insights.
  2. The landscape of UX professionals is shifting with fewer specialized firms but more job opportunities overall as UX becomes integrated into all design processes.
  3. Initial user experiences with products like the Apple Vision Pro highlight the importance of balancing technology hype with real usability for successful adoption.

UX Roundup: Portfolio Without Experience | AI-UX Course | Jakob on UX Greece | Test with 5 Users | ImageGen Shootout

Jakob Nielsen on UX • 23 implied HN points • 18 Mar 24
🕹 Technology UX Design
  1. When building a UX portfolio without experience, focus on real-world relevance and storytelling to stand out from generic student projects.
  2. Consider volunteering, joining tech apprenticeships, or freelancing for startups to gain practical UX experience and build a compelling portfolio.
  3. Attending courses like 'UX for AI' can enhance your skills and knowledge in the UX field, adding value to your career development.

UX Roundup: Explainer Videos | AI Overload | AI Music | Over-Recuiting | Home Robots | GPT 4.5

Jakob Nielsen on UX • 7 implied HN points • 03 Mar 25
🕹 Technology UX Design
  1. AI technology is rapidly advancing, making it hard for anyone to keep up with all the new tools and updates. It's important to focus on the bigger trends rather than getting lost in minor details.
  2. There is a significant improvement in AI-generated music, showing that the quality of compositions and performances has greatly enhanced over a short period. This makes it easier for creators to make engaging music.
  3. When conducting user research, it's wise to recruit more participants than needed to account for no-shows and other issues. This ensures that you still gather valuable insights even if not everyone shows up.

Data Science Weekly - Issue 467

Data Science Weekly Newsletter • 19 implied HN points • 03 Nov 22
🕹 Technology UX Design
  1. User experience (UX) is really important for startups using large language models. Many struggle because they focus on the wrong things instead of improving UX and product design.
  2. Data science notebooks have evolved a lot since they were first introduced. They are now essential tools in data science, and there’s an exciting future ahead for their development.
  3. OpenAI is financially supporting AI startups with a significant investment. They're offering early access to their systems to help these startups grow.

UX Roundup: AI Saves Fuel | Checkboxes Must be Square | Good Books | AI Jobs Grow | Perplexity Grows

Jakob Nielsen on UX • 21 implied HN points • 15 Mar 24
🕹 Technology UX Design
  1. AI technology is being used to save fuel by optimizing airline routing, showcasing the practical applications of AI in various industries.
  2. Square checkboxes and round radio buttons have been a long-standing UI convention for user interfaces to help users differentiate between selecting multiple or single options.
  3. Reading good books, like those on storytelling and non-UX topics, can enhance communication skills for UX professionals and provide valuable insights.

UX Roundup: Status Updates | AI Tutoring | UX Optimism | Ideogram Text | AI-UX Conference | EU Multilingual LLM

Jakob Nielsen on UX • 7 implied HN points • 10 Feb 25
🕹 Technology UX Design
  1. If stakeholders have to ask for a status update, it's a sign that communication could be better. It’s important to keep them informed about your progress without them having to ask.
  2. Using AI tutoring can significantly boost learning speed. In a study, students learned as much in 6 weeks as they typically would in 2 years with traditional education.
  3. A new text editing feature in AI tools allows for more control over design choices. This means you can adjust text directly on generated images without extra editing software.

Online Forms: how to communicate format restrictions?

UX Psychology • 19 implied HN points • 25 Feb 22
🕹 Technology UX Design
  1. Good web form design should aim to prevent user errors during data entry but also help users correct mistakes quickly.
  2. Format restrictions in online forms, like for date of birth or password creation, should be clearly communicated to users to prevent errors and frustration.
  3. Research suggests that explaining format specifications to users in advance is crucial for reducing errors, while using format examples alone may lead to interpretation errors.

Top 10 UX Images of 2024

Jakob Nielsen on UX • 7 implied HN points • 26 Dec 24
🕹 Technology UX Design
  1. Images are becoming more important in UX design now that most people have fast internet. It’s okay to include bigger images to help communicate ideas.
  2. AI can really improve UX design by making processes easier and more efficient. It’s being used to help with everything from diagnosis in healthcare to UI design.
  3. There are too many annoying cookie pop-ups on websites that waste users' time. Instead of punishing sites for minor issues, we should focus on real problems that affect privacy.

Multi-Craft Specialized Content in the AI Era

Jakob Nielsen on UX • 17 implied HN points • 22 Feb 24
🕹 Technology UX Design
  1. AI in the media world is enhancing human creativity rather than replacing it, providing hyper-targeted content experiences by combining text, music, images, and film seamlessly.
  2. Niche content creation will dominate the future, with highly specialized and targeted content surpassing the traditional mass-market blockbusters in cumulative revenue.
  3. Automation in UI design will streamline the process, with AI editors assisting in creating user interfaces efficiently, though high usability and polished designs may still require human intervention.

Best practices for moderated user testing

UX Psychology • 19 implied HN points • 09 Dec 21
🕹 Technology UX Design
  1. Moderated user testing requires active participation of a moderator and can be done in person or remotely.
  2. Moderators play key roles like being a gracious host, leader, and neutral observer during usability testing.
  3. To excel in moderated user testing, prepare well, manage time effectively, build trust with users, maintain a clear session structure, and use prompts, probes, and assists appropriately.

Machine Teaching in a World of Vibeworkers

Modern Data Democracy • 3 implied HN points • 29 May 25
🕹 Technology UX Design
  1. AI can either make users feel like they are just passengers in a car or empower them to learn and grow. We should think about how we design user experiences with this in mind.
  2. Instead of just using technology to make tasks easier, we should focus on teaching users and helping them gain knowledge and understanding.
  3. Designers have a responsibility to create AI tools that elevate people, instead of just making them dependent. Let's aim for user growth, not just convenience.

A/B Testing Paradox: UX Maturity Reduces Your Gains

Jakob Nielsen on UX • 15 implied HN points • 13 Mar 24
🕹 Technology UX Design
  1. In A/B testing, the average uplift from design changes is small, about 0.15%, with 54% of cases showing improvements of 0.5%.
  2. Only 19% of experiments result in statistically significant gains, with an average lift of 1.0% across those cases.
  3. As companies mature in UX, gains from design experimentation may decrease over time due to the nature of tested designs and the diminishing low-hanging fruit.

Product vs. Production

Working Theorys • 29 implied HN points • 07 Mar 23
🕹 Technology UX Design
  1. Success in live media platforms depends on both building a product and a production.
  2. For live products, there needs to be equal focus on pre-show preparation and live production.
  3. Understanding the difference between product and production is crucial for delivering a great player experience in live media.

Guiding Choices in UX: The Role and Ethics of Nudging

UX Psychology • 1 HN point • 01 Mar 24
🕹 Technology UX Design
  1. Nudging is a technique based on behavioral economics that gently guides people towards beneficial choices while allowing freedom of choice.
  2. Nudges leverage cognitive biases and mental shortcuts to influence behavior positively and enhance the user experience in various contexts.
  3. Using nudges in UX requires caution to avoid pitfalls like over-reliance on defaults, ethical concerns, undermining trust, and unintended consequences.

AI and the Third Age of Human-Computer Interaction

Year 2049 • 15 implied HN points • 14 Apr 23
🕹 Technology UX Design
  1. In the First Age of Human-Computer Interaction, communication with machines was through code like punched cards.
  2. The Second Age introduced point-and-click interfaces, making interactions more visual and user-friendly.
  3. The Third Age brings natural language interactions where AI understands us, like with ChatGPT, changing how we interact with technology.

UX Roundup: Ideogram Big Improvements | UX Apprentice | High School UX | Kindergarten UX | Self-Taught UX Designers

Jakob Nielsen on UX • 5 implied HN points • 04 Mar 24
🕹 Technology UX Design
  1. Ideogram 1.0 released with significant text rendering and image quality improvements, showcasing AI's potential in visual design.
  2. You don't necessarily need a university degree for a career in UX, practical experience and on-the-job learning can be just as valuable, if not more.
  3. Teaching UX concepts in high school, like in Estonia, can prepare students for a future increasingly dependent on digital media and technology.

UX is more than just usability or look and feel

A Better Designed World • 7 implied HN points • 16 Feb 23
🕹 Technology UX Design
  1. UX is composed of five key areas that include usability, utility, functional integrity, visual design, and persuasiveness.
  2. Good UX balances all five areas; a product might excel in one but lacking in others.
  3. Usability is crucial for a product to be easily learnable and memorable; utility determines the value; functional integrity focuses on reliability; visual design impacts appeal and perception; persuasiveness drives conversions and user engagement.