So a solar-powered widgit "works best when it is out of your pocket and facing the light"

No sh1t, sherlock.

In other news Pope thought to be etc etc....

Seventy pounds for a low-capacity solar-powered flash player? No thanks. I'd rather have the space dedicated to a larger battery, which would do you more good than the paltry amount of power those photo cells produce. And the last thing I want to do is leave my mp3 player sitting in the sun.