1 ) An improved method for searching, detecting, sensing, and discovering attributes, characteristics, parameters or other data among known and unknown devices and their users, the method comprising: launching a client application (the SST Client) on a device (the first device), wherein the client application enables searching, detecting, sensing, or discovering (collectively or separately, ‘discovering’ or ‘discover’) attributes, characteristics, interests, preferences, parameters or other data (collectively or separately, attributes) associated with other devices, or the users of such devices; configuring the SST Client on the first device to discover the specified attributes (searched-for attributes) of such other devices or users (a recipient device); using any of the methods described in the Related Patents, for the first device to communicate with recipient devices; enabling the SST Client on the first device to send an instruction to discover the searched-for attributes of the recipient devices; obtaining and compiling on the first device information from recipient devices to enable selection of at least one device with the searched-for attributes; and displaying a selection on the first device of the at least one device with the searched for attribute(s), or the display of the attributes disclosed by the at least one other device.