Does anyone know a place where there are statistics kept on internet usage, such as Web vs. Mail vs. ftp?

Generate your own. A days worth of Cisco flow exports from our campus border: # # output from: flow-stat -n -P -f7 -S2 # # port flows octets packets duration # www 54.886 48.827 42.281 43.543 nntp 0.342 16.058 11.938 4.448 ftp-data 0.419 9.108 6.615 1.351 smtp 4.926 2.739 4.154 5.813 6000 0.069 2.488 3.208 0.540 cmd 0.015 2.367 1.618 0.109 telnet 0.923 1.425 5.820 7.103 1021 0.017 1.402 0.864 0.137 domain 27.692 1.266 3.875 10.456 ftp://ftp.net.ohio-state.edu/users/maf/priv/flow.tar is a small flow toolkit that can generate the above report. -- mark