One of our readers tipped us that Nokia and Microsoft are pushing out updates for your offline maps on Windows Phone 8. Indeed, when we fired up our Lumia 920 and checked we were notified of 209.8MB in updates (CT, NY and MA), meaning they’re refreshing whole states in the US (our tipster had over 805MB). (Edit, turns out these aren't new-new, but for some of you, you may never had updated, so here's how to do it).
To see if your maps need updating, simply launch your respective mapping app and check for those updates (details below). It will only take a few minutes, but you’ll need to be on Wi-Fi to grab ‘em.