"Nearly a billion people use Windows. Their ideas added up to Windows 7", says Microsoft of the above advert, as Windows 7 sees its official general release.

While some UK consumers have received their copy of the new OS in the last couple of days due to early shipping because of the postal strikes, hundreds queued up last night for a midnight launch at PC World's flagship store.

Amazon has reported record pre-orders, so it will be interesting to see how long before Microsoft reveals official figures.