During our experiment at the bus stops we used our iPads messaging capabilities to our advantage as show in the diagram one of us stood down the road and as we saw the bus approaching we messaged the other to trigger the doorbell. The other person filmed the reaction. Altogether we were using three iPads and the speed and reliability just made the whole test easy and simple to do. Initially we thought that we would need walky talkies to communicate but that probably would have looked a bit suspicious and blown our cover. During the experiment we could write down our notes immediately and then copy it straight to our blogs. These iPads are proving to be very useful.

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