The present invention relates to system and methods for segmented data transmission. One example comprises steps of: connecting a plurality of computerized devices to each other; designating at least one master device from the plurality of computerized devices; designating remainder of devices as slave devices; producing a content originated from said at least one master device; segmenting the content into a plurality of data-streams; transmitting at least one data-stream of said plurality of data-streams to slave devices; uploading said plurality of data-streams to a server-computer; assembling said plurality of data-streams into said content.