Many of us take free wi-fi in cafes for granted. But there is a trend for smaller ones to experiment with switching it off, in a bid to beat the laptop table-hoggers.

With so many people now working as freelancers on the move, is this really a good long-term strategy?

Filmed, written, edited and presented by Dougal Shaw. You can follow Dougal on Twitter or Facebook.

This video is part of a new series from the BBC Business Unit called My Shop.