I was wandering around my local mega-chain hardware store looking for ideas for what I could use to make a nifty and easy iPad wall mount when I stumbled upon this heavy-duty plate hanger.

FWH Fire Wall Hanger Attaches Floor Framing to 2-hour Fire Rated Wall Assemblies in Wood-Frame Construction. FWH Allows Framers to Install the Hangers Before the Drywall is Attached.