An electronic reciprocation device has a base containing a motor-driven screw shaft, an upper body having the screw shaft extending longitudinally therein, and a traveler engaged with the screw shaft to drive the upper body in positioning and reciprocating motion. A remote control unit can be used for comfortable operation of the device. A network connection unit is provided to connect the user's device to an external service website on the Internet or other networks. The user's device may be adapted as a male or female sex toy, and can exchange control signals on the Internet with one or more other users operating complementary sex toys. The Internet service can host interactive sessions with other users, groups of users, and even non-participating spectators. It preferably has a 3-tier structure of an administrator tier, hosted services tier, and affiliated play host tier for expansive offerings of interactive services to its users.