Media choice: Celebrity Big Brother 3.

Last weekend's completion of Celebrity Big Brother 3 raises inevitable questions over whether, five years on, the BB concept remains as engrossing and addictive as it first was.

As a BB veteran, I wasn't convinced by the latest celebrity line-up, largely made up of D-listers. But it did comprise the usual mix of neurotics, egotists and barking maniacs; Rocky's mum was a gem. Love it or loathe it, it is hard not to get hooked on the voyeuristic indulgence.

Endemol and Channel 4 have exhausted all avenues in their quest to make a few quid. Voting by telephone, SMS or interactive TV are all on offer, and there's the …