Create a "cheat sheet" like this to let friends access your Wi-Fi easily

When friends come to visit, it’s increasingly handy to let them connect their smartphones and tablets to your Wi-Fi network.  Whether they want to share amusing YouTube clips, download the latest and greatest apps/games you’ve been discussing or just access web and email, Wi-Fi usually makes it quicker than relying on the mobile phone network. There’s another benefit if they’ve got an iPhone/iPad and your house has an Apple TV as part of your audio/video setup. By connecting their Apple gadget to your network, they can beam their choice of music, videos or photos to your TV/hifi wirelessly using AirPlay. It’s really simple and makes media sharing much more immersive than passing someone’s iPhone or iPad around.
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