Monitoring online activity of voters with startup Quid is latest campaign tech for 2015 election | Democracy, elections and voting at Democracy Chronicles

SAN FRANCISCO — Massachusetts Democrat Seth Moulton used a number of tried-and-true campaign strategies on his way to defeating 18-year incumbent John F. Tierney in last September’s congressional primary, such as polling, focus groups and TV ads. But he also tried something new: technology from a 5-year-old San Francisco data analytics startup called Quid. The technology…