Artisan Mobile: Ad measurement company Tune acquires messaging company Artisan - in continued ad tech shakeup

EXCLUSIVE: A shakeup is happening in the ad technology industry, sparked by, or at least accelerated by, Facebook's recent move to cordon off access to its coveted device level ID information. Tune, a leading third-party measurement company, has just acquired Artisan Mobile, a Philadelphia company that helps marketers engage app users through notifications and in-app messages, VentureBeat has learned. [...]