Microformats. Openid. Gnip: We got $h*t to pop. Trying Out Facebook Connect - Facebook Developers Wiki. Atomkeep — your profile everywhere. Google opens up their contacts, who follows? As of today Google offers a API to sync with your Google contacts. In the quest for the Holy Dataportability Grail, the syncing of contacts through out different ‘contact’ services is the next big thing. Everybody owns several buddy- or contact lists. Keeping them in sync is hell, even when your using Plaxo or a Plaxo-like service. Google’s API lets you read all of your contacts and use them in another application. The changes made in that application can be written back in you Google contact list. With opening up their contact information Google is the first of Internet biggest to create a portable contact list. Of course Google’s Contact API is no portability standard yet, is doesn’t help you switch from GMail to Yahoo Mail.