Check out this awesomely covert spy pen by Sphere Gadgets Technologies. It looks exactly like a real pen, except this one can record up to 4 GB of video! It has a 640×480 CMOS chip for high-quality video recording and can store up to 8000 pictures at a decent 1600×1200 resolution. It works for both PC and Mac and can be charged via USB or wall socket.
Here’s the link to Amazon’s page, if you’re so inclined to becoming a bad-ass spy!