Purchasers of the Philips Hue "smart" ambient lighting system are finding out that the new firmware pushed out by the manufacturer has cut off access to previously-supported lightbulbs.
"While the Philips Hue system is based on open technologies we are not able to ensure all products from other brands are tested and fully interoperable with all of our software updates. For guaranteed compatibility you need to use Philips Hue or certified Friends of Hue products"
A growing trend in electronics is to have them integrate with your home network in order to provide potentially useful features like automatic updates or to extend the usefulness of existing technologies such as door locks you can open and close from anywhere in the world.