The digital switchover in London is happening in two stages between now and the 18th April. This symbolises the largest change in British media history since the advent of colour TV, in 1969.

Suddenly the three major commercial broadcasters who dominated the terrestrial TV world face a new wave of competition; now they are just one of the 40 strong crowd of different broadcasters. The impact of this on the marketing industry is profound. Read more on Digital Switchover: One million quiet TVs are about to make a lot of noise…