You might think that gadgets have no place at a festival. You try to shine your phone torch in the air to your favorite song, but oops — the battery is kaput. You stumble back to your tent, weary, ready to snatch a couple of hours of sleep before it all begins again, but among the canvas sea of nondescript khaki green, which one even is your tent?
It turns out technology can help you avoid a festival nightmare.
