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Re:Ask HN: How are url shorteners making money? by cperciva on Monday March 09, 2009 @04:34AM (#508140)
I understand that some of them make money by inserting their IDs into referral links.
Re:Ask HN: How are url shorteners making money? by melvinram on Monday March 09, 2009 @04:36AM (#508142)
hmm... that seems shady... unless they make that clear ahead of time.