Facebook debuted its Foursquare-style location-based check-in service last night to a group of tech journalists in San Francisco with a nifty map wall that began showing check-ins as they happened across the country.
Check it out, AFTER THE JUMP…
If you have an iPhone, the app has been updated to reflect the new service.
Mashable has the details here: "Places isn't the only new addition, though. Facebook for iPhone now has added privacy options for status updates; now you can set who sees individual status updates. Messages to multiple recipients now display all of the participants, rather than just the sender. Finally, for all of you that are constantly uploading videos and photos to Facebook via the iPhone, there's good news for you too; the updated app uploads multimedia in the background, as long as you have iOS 4."
The ACLU of Northern California is urging folks to read this before using Facebook 'Places'.
TechCrunch isn't so worried, and shows you how to turn off features such as allowing friends to check you in somewhere.
