When we wrote about the Whistle canine fitness tracker a year ago, we said "what this thing really needs is geofencing and geolocation." We met the folks from Tagg at CES earlier this month, saw their dog GPS collar with its geofencing and geolocation, and thought it might be a nice accompaniment for Whistle. Now comes word that we weren't the only ones who thought so: Whistle … [Read more...]