Sagem’s SIMFi is one of those ideas that you wish you had come up with yourself. The concept is pretty straightforward: they’ve created a SIM card with an embedded WiFi radio, so provided you have a suitable data plan, the card itself puts out a WiFi signal instead of relying on the phone. For anyone who’s ever needed internet access on a laptop, with no other tools besides the phone in their pocket, this is a potential godsend.