If you want a glimpse of the future of tech, the patent filings of the big names are the closest we've got to a crystal ball. Many of the patented ideas never make it into a commercial product, but some do, and it's fun to guess what the next consumer gadget might be based on the weird inventions tech companies protect.
Music Magpie have put together a collection that includes some real gems, like the Microsoft Degrosser:
You can see the whole collection here, and marvel at how some of these genius inventions haven't made it into stores already. Especially considering some of the ones that did.