Online Ads Can Now Follow You Home
Posted: 4/30/2013 | By: Spencer E. Ante | The Wall Street Journal
Advertisers already know what people are up to on their personal
computers. But understanding their online whereabouts on smartphones or
tablets has remained elusive.
A number of companies are trying to
better pinpoint mobile users' online activity with new software and
techniques they say could help advertisers track users across devices.