A Sneaky Assault on the Future of the Internet. Comcast recently announced it was considering extra charges for users who consume more than 250 GB of bandwidth per month. After 250 GB, users could purchase additional bandwidth in 10 GB amounts for $15 each. On its face, this plan sounds very reasonable. I’ve monitored my bandwidth usage before, and I’m what many would consider a fairly heavy user. In a good month, I generally wouldn’t exceed 30 GB of bandwidth. That’s a little peer to peer file sharing, a lot of music streaming, occasional software downloads. Maybe a Linux image…