You are assuming that the 5 friends only are friends with each other. If each of the 5 friends have five different friends with 5 movies the first person actually has excess to 155 movies. Thats only going two levels into it.
6,412,953: Illumination device and image projection apparatus comprising the device
Candle and hands - a device to projecting an image on a wall
7,810,144: File transfer system for direct transfer between computers
Luckly computers do not directly transfer files to each other they have something between them be it a router, media, or component in the computer but not the computer its self.
Google should start asking for the patents at hand in lieu of payment for fees by companies that do not produce anything. This way they will get "paid" instead of the company disappearing leaving the bill with the willing company.