Should museums ban selfie sticks?

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Media captionShould museums ban "selfie-sticks"?

The National Gallery in London is among a growing number of venues that have banned selfie sticks - those telescopic arms that allow people to take photos of themselves using a mobile phone.

The gallery says it needs to protect artworks and other visitors. But some users can't see what the fuss is about.

I decided to weigh up the pros and cons of the "“gizmos non-grata"” debate.