Fake or Really Fake?
Don't worry, they've done the math for you.
display bandwidth usage on an interface
Here's another helpful program for monitoring bandwidth usage. This one lets monitor bandwidth to individual websites, to see which sites are hogging all your bandwidth.
It's not perfect, as it uses reverse DNS to get the domain names, which in shared hosting environments, may not reflect the actual name of the website your downloading. But it's good information to have.
What program is using that bandwidth?
Ever wonder what program is using up all your bandwidth? If your using Linux, this program can easily give you an answer.