"There are LOADS of free wifi places in East London....at the top of Brick Lane, E2 (the Bethnal Green ROad end) there is a small cafe between the 2 bagel bakeries which offers it, plus one accross the road on the corner with big sofas, and the Surf Shop/cafe directly opposite the end of Brick Lane also has a couple of laptops you can use. THere are also other cafes along there which offer it too.
Bethnal Green library also offers free computer/internet use (possibly wifi too) you just become a member so need proof of address but do NOT need to be a resident of Tower Hamlets.
The Gallery Cafe next to York Hall swimming baths on Old FOrd Road E2 also offers free wifi.
London in the Stoneage indeed. When the pebbles on Brighton Beach have worn down to sand and the howling chill wind on the seafront dies, call me, it might be worth a visit :D"