Sir Arthur Conan Doyle's essential detective Sherlock Holmes is engagingly rebooted for the digital age in the BBC's stellar new series, Sherlock.

Reinventing the character for an epoch of information overload, actor Benedict Cumberbatch's addled Holmes is a death "freak" — as he's derisively called by police who barely comprehend his deductive revelations — and an internet geek-for-hire who runs a site called The Science of