Will 2015 be the UK's first social media election?

With political parties developing ever more sophisticated digital strategies, 2015 could mark the UK's first 'social media election'.

Sites such as Facebook have already been used successfully in the US as a way to engage with - and gather information from - potential voters.

But will audiences and voters 'like' the move?

Newsnight's David Grossman reports.

BBC News
UK Politics