Social networks like Facebook and MySpace are often just one click of a bookmark away on users’ web browsers. Google looks to be one-upping them by turning its personalized home page, iGoogle, into a social network.

With the new developer sandbox for iGoogle, Google is offering hints of what could be a very grand scheme. The video Google has released (embedded below) is front-loaded with what seems to be routine updates for what developers can do with iGoogle. However, towards the end we’re hit with code for accessing friends’ data and yes, creating an all important (in this day and age of social networks), friends’ activity stream.

Who needs to login to Facebook when all your friend’s updates are right there on your homepage? That may be exactly what Google is hoping users start asking themselves.

This is made possible by OpenSocial, a common API designed to let developers build social applications that run on a growing number of web containers. MySpace, as well as Yahoo, both recently teamed up with Google in supporting the OpenSocial initiative. Many other so