2.5 years(since June 98) of broadband so far...
More generic browsing and demo downloading.
On message boards, I set the max number of threads viewable since it doesn't take as long to grab the whole page...
More willingness to upload software or exchange files with friends.
More willingness to run 24x7 distributing computing projects...
Helping people bombard ticketmaster.com in the pursuit of good tickets

(heh U2 tour comes to mind recently)
also caused me to buy a cd burner to store all this "software" and things for a psx and dreamcast
