If you use Facebook to "check in" to your favorite restaurants or shops, you can now expect to see rewards and discounts from companies looking to drum up business.

If you use Facebook to "check in" to your favorite restaurants or shops, you can now expect to see rewards and discounts from companies looking to drum up business and lure in loyal customers.

Facebook announced a new Places product Wednesday evening that will let users check-in from a mobile device, see who is around them, let friends or the public know where they are, and find ...

In the Latitude check-ins for iPhone announcement, Google also snuck in the news that Google Places is now in 30 languages. Again, all a part of the big push into local and deals.