According to this Quora thread, these are the most exciting new products that people don't seem to know about yet.
1. Ultra-Ever Dry Waterproof Coating
Ultra-Ever Dry is a hydrophobic coating which, applied correctly, will repel water and waterproof anything.
Scientific proof: Here's a video showing how a cell phone spray sprayed with Ultra-Ever Dry completely submerged in water still works.
2. Lockitron: The Remote Entryway Lock System
3. PaperKarma: The Junk Mail-Eliminating App
4. Senz: The Stormproof Umbrella
5. The Ping-Pong Door
6. A Solar-Powered Camping Tent
7. Deglon Stainless Steel Nesting Knives with Knife Block
8. The Sky Wi-Fi Smartpen
9. The Biolite Camping Stove
10. The Slamdoor
11. The No-Blind-Spot Rearview Mirror
12. Hook-On Balcony Planters
13. Blinker Grips: Blinkers for Your Bike
14. 3Doodler: The 3D Printing Pen
16. TalkTo: An App That Lets You Interact with Any Business
17. A Heated Butter Knife
18. The Kitchen Safe
19. Remee: A Lucid Dreaming Sleeping Mask
20. Shreddies: Flatulence-Filtering Underwear
21. Neo-Cover: A Magnetic Light Switch Cover
It's a simple but innovative idea, and the magnet is strong enough to hold a hammer (!!!). Buy it here for $19.99.