This decision was apparently made without warning to librarians contracted with Overdrive and other e-book distribution systems, many of whom are quite justifiably upset about the decision.
Far more common--but still damaging--are the high-volume crime spikes, spam e-mail distribution and "phishing, " a pernicious technique for stealing credit-card information. (For more on online scams, check out "Where The Scammers Are".) The carnage is hard to pin down in dollar terms, but Marcus Ranum, chief security officer of Tenable Security, says it's "billions upon billions"--far more than all "major" hacking incidents combined.