How many people use sellotape? I personally use sellotape for holding up phone cables, Ethernet cables, sealing up boxes, cleaning up assignments, binding assignments, cleaning up glue, killing ants, repairing small gadgets, sealing leaks, as a paper weight, to eat up space on the table, storing my printer, waterproof certain items, make toys, tidy up cables, repair cables, clean up my keyboard and so on.