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Greg is a UX strategist for Fortune 500 firms. His 4th book, The $1 Prototype and the new Lean Mobile UX blog can be found at

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Lean Mobile UX Lessons To Keep Your App From Sinking Like The Vasa Ship

For many months, your entire team has worked their butts off to create an awesome mobile app. Finally, with your team exhausted and excited, it’s showtime! But then, your dream app turns into the ultimate nightmare: Eager customers download the app, use it once and never return. All the sacrifice and months of hard work — wasted. What went wrong?

Lean Mobile UX Lessons To Keep Your App From Sinking Like The Vasa Shipe

Your app has become another victim of the latest trend, joining a whopping 41% of today’s apps that are abandoned after only a single use. This trend has many parallels with the story of the 400-year-old Vasa ship. The most impressive warship of the day, Vasa floundered and sank just one mile into its maiden voyage due to fundamental design issues.


Design Patterns C-Swipe: An Ergonomic Solution To Navigation Fragmentation On Android

There are 3,997 different Android devices. Your navigation should work with all of them. C-Swipe can help: It is an alternative navigation pattern for tablets and mobile devices that is novel, ergonomic and localized.

Navigation Fragmentation On Android

This article provides a detailed walk-through of the design and code and provides a downloadable mini-app so that you can try out C-Swipe to see whether it’s right for your app.


A Definitive Guide To The Android Carousel Design Pattern

One of the best patterns for browsing a small collection of featured products is the carousel. Unfortunately, many mobile app implementations do not offer an engaging or satisfying carousel experience and are not effective at driving conversions.

Android Carousel Design Pattern: The Definitive Guide, With Code

In this article, we’ll use the analogy of a real-world amusement park carousel to explain what makes for an authentically mobile user experience, and we’ll give you the design, the complete source code and a downloadable mini-app, which you can use today to add an enjoyable and effective carousel to your own app on phones and tablets.


Essential Design Patterns For Mobile Banking

Despite a great deal of mobile innovation, many creators of financial apps still copy their interface patterns from the desktop Web, even though these patterns are not as well suited to the mobile space. Small screens, custom controls, divided attention and fat fingers demand different thinking when designing for mobile.

Essential Design Patterns For Mobile Banking

In this article, we will look specifically at simple mobile transfers of funds from checking to savings accounts, taking what works on the Web and converting it into authentically mobile flows using simple, effective design patterns.


Mobile Auto-Suggest on Steroids: Tap-Ahead Design Pattern

In contrast to desktop Web search, auto-suggest on mobile devices is subject to two additional limitations: typing avoidance and slower bandwidth. The new patent-pending design pattern, Tap-Ahead, uses continuous refinement to create an intuitive, authentically mobile auto-suggest solution. This helps dramatically reduce the amount of typing needed to enter queries, and utilizes slower mobile bandwidth in the most efficient manner. Using this novel design pattern, your customers can quickly access thousands of popular search term combinations by typing just a few initial characters.


As John Ferrara wrote in his November 2010 UXMagazine article, "Psychic Search: a quick primer on search suggestions", today auto-suggest is practically ubiquitous in desktop Web search. In contrast to desktop Web, auto-suggest on mobile is (at least for now) fairly rare. The only mobile Website that currently implements auto-suggest is, and a handful of mobile auto-suggest implementations that currently exist come from native mobile apps built by leading online retailers like Amazon and


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