"The lamp is quite nice but one of the great things about LED lights is that they don’t require cooling. Still, the retro fins do look like they’d be pleasant to hold!"

"I was wondering why they don't show the view from the other side then I found the FAQs: "Our shields work similarly in both directions so the shield bearer will find a person standing on the other side invisible to them too." So... what is this useful for besides novelty value?!"

"It’s a great idea but using it on a can of Guinness Draught is a waste of a widget!"

"Yes the arrows are irrelevant to the illusion, but no it's only the thin edges of each ring that are changing position in relation to the rings. That's what causes the illusion of constant motion in a certain direction, and very cool it is too!"

"Yeah they make them tiny nowadays. This product looks like a tiny USB with an superfluous block of perspex. Pretty though!"

"I think the stereo-mono toggle was just for FM radio. Some stations broadcast in stereo, which sounded great but required a stronger signal. If you couldn’t get good enough reception for stereo you could always switch back to good old mono."

"I feel I would be frustrated that the top of the pen remains misaligned..!"