Cobook, the non-sucky contacts app for iOS and Mac, has today added Livecards. Livecards are a way to share your contact info with other people. Instead of relying on those lazy idiots to update your details, you take care of it. The resulting changes are pushed to everyone who has your Livecard in their Cobook.
Yes, this is exactly how address books should have worked ever since the internet was invented.
The previous version of Cobook already had Livecards, but you had to have a Facebook account to use them. Now you can just sign up with your e-mail address and a password from within the app, making Cobook yet another social network of sorts.
The big difference between this and things like Linkedin is that Cobook remains a front end to your contacts, syncing those on your iPhone with Twitter and Facebook and – if you use the Mac version – Gmail.
Thus, Livecards do nothing but augment your address book. You can even ignore it if you want to.
One note: You need to set up a whole new Livecard when you sign up. You can’t just use your existing address book entry, although you can merge the cards into one. Kinda. Go grab the update and start spamming your friends with invites. I have!