Placing a Countdown Clock on Facebook Minutes might feel like hours while you're waiting for an event. Facebook can be used to pass the time before the big day and to keep track of the days and hours till your event. In addition, countdown clocks can help keep other people...

The Facebook Marketplace app is primarily focused on connecting sellers with interested buyers and getting them to complete a transaction. Users can browse through local business listings posted by local businesses and also check out items listed by other users. The app also has a section for users to post...