Go to the Trocadero and waste some time in the arcades.
Or go to Waterstones, buy a book, and sit in their cafe and read it for a while.
( Edd: The Unfunny Try-Hard Edgelord, Fri 12 Jan 2007, 13:15, archived)

Ah, this is a sensible answer
And I have a £10 Waterstones voucher! I may do that!
( Woking Girl, Fri 12 Jan 2007, 13:16, archived)