A slow start to the digital race for mayor of NYC

McGuire leads the field in digital ad spending, Yang has the biggest following

The race to be the next mayor of America’s biggest city effectively ends with the Democratic primary in just under three months, but the major candidates have only spent limited amounts of campaign cash on ads online. 

Instead, much of the candidates’ ad dollars seem to be going to TV and radio, and their online operations thus far are focusing on fundra…