The bag uses RFID technology to ensure that when you leave the house you didn`t forgot items like your wallet, keys or cell phone. The group of students behind this concept, at Simon Fraser University, Canada, also instated the LadyBag with a set of exterior LEDs, that can light up to form smiley faces or the form of the objects that are missing from the purse.
To let the bag know what item you want to be tracked, it needs a RFID tag insert or attach to it. RFID tags are …

I was surfing on the Internet and I came across to one of the most interesting designs for the PC of the future. The PC concept is called Cuppa and is based on the RFID which stands for Radio-Frequency Identification. This method is used by small devices named tags which are integrated in objects in order to be identified from a few meters through radio waves, but there are also RFID versions without chips.
Cuppa could be used by everyone and it can be connected to many devices in your home …