Despite its name, there is one thing the Vote Leave campaign should not have left for so long: registering a domain name. The delay by the anti-EU organisation meant that up to 100,000 people who tried to access voteleave.com, co.uk or .net were rickrolled – redirected to a YouTube clip of Rick Astley's 1987 hit Never Gonna Give You Up. So far, so internet.

The charts (homeomorphisms) that make up any differentiable structure of a differentiable manifold are required to be such that the transition from one to another is differentiable.

The ocean waves are broken up by wind, ultimately producing the storm-wrack and spin-drift of the tempest-tossed sea.

Favorite new features include an expanded cybercloset, where girls can scan their own photos and try on new hairstyles.