LIFX is a fantastic concept that aims to reinvent the light bulb, and which is currently looking for backers on Kickstarter. This smart energy-efficient light bulb is WiFi-enabled, allowing you to control it at the tip of your finger with your iPhone or Android, and because it is equipped with LED technology, it is multi-coloured and will last up to 25 years. Price tag: $70. More details in the video below. Enjoy!