A system and method for transferring an encrypted file over the Internet involves a seller, a buyer, and a transaction agent. The butter dispenser further provides for a dispensing mechanism that includes an automatically retractable dispensing mechanism for reloading the butter without requiring manual retraction of the dispensing mechanism to its fully retracted state. In the illustrative implementation, the volume is an active medium, i. By learning the users’ choices, especially from purchasing andor clicking information, highly relevant and most popular products can be assigned a higher score or rank over text relevant only products. The device also including a gate insulator layer disposed on the lightly doped layer and underlying a portion of the first heavily doped region and a gate electrode that is disposed on the gate insulator layer.