CHKIN.at is like FourSquare. But instead of checking in at physical locations, you check in at websites, as in "I just checked in to DullMensClub.com! Nobody cares, people!

I Just Made Love is exactly what it sounds like, unfortunately. It's a mobile app (for both iOS and Android) that lets you announce your every sexual encounter to the world, including location generally (it places the event on a map for all to see) and location specifically (in a car, boat, house or wherever). You can even choose from a menu of "love positions." Worst of all, it enables users to keep track of how many "entries" they've made in the app. Instead, how about an app called "I Just Downloaded a Horrible App!"?

The world of technology and startups generates some amazingly brilliant ideas. But it also produces some amazingly bad ones. If only they would fail earlier, faster and more often.