1. For a few years now, Foursquare has felt like a location data layer in search of a business model. The company just announced a move toward a more explicit user value proposition by revising its core app and splitting off a new Swarm app — a social heat map that doesn’t require an explicit check-in.
2. How can we stop wasting users’ time? Here are some practical ways to design experiences that avoid common user experience pitfalls. My favorite? Stop the madness of persnickety fields that make for tiresome web forms.
3. User growth is flat and the stock precipitously down — and now Twitter gets its very own eulogy.
4. At Facebook f8, Mark Zuckerberg announced a set of new features, few of which you might associate with Facebook as we know it. They include anonymous login, linking between apps, and a mobile like button. Also, he said trust, stable, and mobile a heck of a lot.
5. Teen-friendly, ephemeral, and visual messaging app Snapchat counters the unbundling trend of Foursquare and Facebook by adding features. Now users can swipe to chat via text or video — and true to brand, the conversation disappears when users leave the app.

Weekend fun: In one minute and twenty-three seconds you could accomplish something productive, like answering an email or flossing your teeth. Or you could watch tiny hamsters eating tiny burritos. And it’s only episode one of the series, so submit your suggestions printed on tiny tortillas via #TinyHamsterIdeas.

Every Friday, find five, highly subjective links about compelling technologies, emerging trends, and interesting ideas that affect how we live and work digitally.