A location-based post on Facebook; for a business, a check-in typically means a Facebook user posted their location from the company’s physical store, usually through an app or smartphone browser.
Why Are Facebook Check-Ins Important?
Checking in to a business location on Facebook allows everyone in the user's social network to see the activity. This information is also stored in the company's Facebook Page, where other fans can see how many people have checked in. This is a great tool for brick and mortar businesses, as a check-in acts as a type of social recommendation.