No opting out from Facebook turning your check-ins, likes into ads

arstechnica.com — Better go check your Facebook profile pic to make sure it's suitable for advertisingthe company has begun using real users' postings in ads being shown to their friends. The effort is eerily similar to parts of the now-defunct Facebook Beacon, but Facebook is now calling them "sponsored stories," and users won't be able to opt out of their posts being used to advertise to friends. The new "feature" started showing up quietly on Wednesday morning without any kind of fanfare from Facebook, but users began to notice it right away. Things posted by their friends; check-ins Jan 26, 2011 View in Crawl 4