If you didn't think UK domain names could get any shorter, they soon will be. In an announcement today, the UK's domain registry said it will soon launch its simpler .uk domain in an bid to remain cool with businesses and bloggers. While new registrations are encouraged, ten million existing customers (that have registered either a .co.uk or .org.uk address) won't need to rush: they'll have five years to claim a shorter version of their current address. News of the .uk address comes less than a week after ICANN gave London the go-ahead to offe