This week I joined Allison Sheridan of the Nosillacast Mac Podcast. During her Chit Chat Across the Pond segment, Allison and I discussed how to manage data use when tethered and on cellular networks. We investigated the applications and background processes that slurp up data and how to manage them. With iOS 7 Apple introduced new settings to better manage cellular data use, but managing data use when tethered to a Mac isn't so easy. So we investigated third party utilities like ControlPlane, Keyboard Maestro and Little Snitch that can be used to automatically disable services and block network activity when tethered or on certain networks.