engine - 5:23 pm on Jun 2, 2011 (gmt 0)
I actually feel that "+1" and FB "like" aren't alike, though Google might have intended to bring in the social element with this new colorful button.But as stated in the read I shared, there isn't any real social infrastructure to support this new +1 element.
You have to be logged in to your google account, and google already launched additional info/interaction on the gmail accounts. [webmasterworld.com]
The people widget surfaces content from friends, family and colleagues that is already available to you but may be hard to find and makes it easier to connect with them.