augmented reality game called hado where players had to blast away their opponent's shields with fireballs. it was brilliant fun and what's even more brilliant is that six years on, hado is now a serious sport, played competitively in 28 countries. and now, i've been invited back to play against a former uk champion in a match with a difference. see, tom park is not in the same room as me. we're being connected using 5g, and this is an occasion where any delay across the network can seriously spoil the fun. most people, when you think about 5g, think about moving large amounts of data. we are not, we're moving very small amounts, but it has to arrive in the right order and it has to arrive quickly. i could have done with a bit of lag, to be honest. where is he? oh, i've got him, i've got him! it's like they have attached it to a cat or something, haven't they? we have already done matches