Should museums ban selfie-sticks?
The National Gallery in London is among a growing number of venues that have banned telescopic arms which allow people to take photos of themselves using a mobile phone.
It says it needs to protect artworks and other visitors.
But some users can't see what the fuss is about - the sticks allow them to get snaps of the entire family and friends without relying on other people.
In this week's vlog, Will Gompertz weighs up the arguments in the gizmos "non-grata" debate.
13 Mar 2015