People say to us all the time, "Why are you always playing on your phone?" Ha! Joke's on them, because our phone isn't just a pocket arcade. We're blogging, making music, scheduling doctor's appointments, taking notes on our screenplay, digging deep in cloud storage or on our home computers for work files, and tons of other things. If you're productivity-obsessed like we are, then you'll love this week's batch of price cuts that turn your iPhone or iPad into a tool for getting things done.