Apparently, LiveJournal has altered users’ affiliate links in a way that is costing users referral money. (More info/links at
silmaril’s entry
here.)
ETA: Cut n’ pasted from
kylecassidy:
marta has posted some information saying the code was supposed to add "this link came via lj" affiliate info to non affiliated links -- which makes a lot more sense (and sounds thankfully less sinister) than hijacking people's links and taking them to advertisers, but didn't work as expected. The code should be gone now.