Sharp Actius RD3D Notebook

The Sharp Actius RD3D Notebook was a 3D laptop computer manufactured by the Sharp Corporation in 2004. The company marketed it as the first "autostereo" PC, offering 3D images without glasses.
Features.
It had a built-in 3D graphics button that would create a 3D image by using a "parallax barrier", which beamed two different images to each eye, confusing the brain into thinking that the user was looking at a 3D image, all without the use of 3D glasses.
Problems.
Common problems with the Sharp Actius RD3D Notebook were:
The product was featured in the "25 Worst Tech Products of All Time" list published by PC World magazine in 2006.