1. Flags that glow in the dark so you don't need to shine a light on them
2. LCD screen finger nails with one number of what time it is on each finger and am or pm on thumb
3. Surgically implanted vibrators in skin that vibrate when ur phone rings
4. Dog collars that give commands and can sense if they are obeyed.
5. Vaporizers that look like inhalers to smoke in public