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...
Trade by barter is the direct exchange of goods for goods, goods for services, or services for services. It was a system of exchange which was in use before the introduction of money.
