Three little letters - bnb-side’s name is a play on the local b-side arts festival, but Silicon Valley colossus sees threat to global brand

In one corner is bnb-side, a six-room bed and breakfast on the Isle of Portland – a tiny wedge of limestone tied by a narrow ribbon of shingle to the Dorset coast – that was created to help secure the future of the rock’s much-loved arts festival, b-side.

On the other is Airbnb, the San Francisco-based booking colossus. The battle between them is over the three little letters they share.