Despite all the money companies spend on research and development, they still manage to trundle out some absolute junk. There are thousands of bad products out there, but here's the ten worst that we've encountered in all of our years of reviewing products.

10. Gear4 PocketParty

Smack bang in that period where every other product was an iPod add-on, Gear4 decided to release the worst one we'd ever seen. The product is basically a set of stereo speakers that plug into an iPod, so you can share your music with your friends. Well, that's the idea.

9. Lindows

The hype was palpable surrounding Lindows: it was going to be a Linux operating system that provided full compatibility with Windows. Microsoft didn't take kindly to this and even sued, unsuccessfully, saying that Lindows was infringing its Windows copyright. The court case just added to the excitement.

Sadly, the final product couldn't match the hype.