Google is rolling out a centralized profile system that will provide personalized information to each Google product you use. The unimaginatively named Google Profile will share information across all Google products, unifying often disparate Google systems that logins aside haven’t previously shared data with each other.
To quote Google:
A Google Profile is simply how you represent yourself on Google products — it lets you tell others a bit more about who you are and what you’re all about. You control what goes into your Google Profile, sharing as much (or as little) as you’d like.
Profiles include a nickname (real name to contacts only), occupation, location, links, photo and short description. An interesting twist is that each Google profile is public as well with Google suggesting that Google Profile pages “may be returned as results by Google.”
According to Google Operating System, Google profiles are now available in Shared Stuff, Google Maps, Google Reader and will be added to other web applications shortly.