Agile emphasizes just-in-time requirements rather than upfront preparation. The requirements person—be it the product owner, business analyst, product manager, or someone else—embodies the understanding of what is needed, and the user story represents the work that needs doing. This article details what user stories are (and what they are not).

When developing products, features, and enhancements, you have to have your customers’ best interests at heart. “We’re not just creating software,” speaker Jeff Patton said. “We’re changing the world.” You need to better understand the people you’re building things for, and the only way to do that is to spend more time with them.

Geolocation enhances the experience of many services and provides users with customized results based on their current location. Many people don’t realize what an important role geolocation can play in locating their favorite beer—and Untappd, a mobile application around beer discovery...

If users can’t figure out how to use your mobile applications and what’s in it for them, they’re gone. Usability and UX are key factors in keeping users satisfied so understanding...