jargon.artrocity.com
New Hacker's Dictionary the Jargon File v 4.4.6
[Usenet] Common synonym for “Me, too!” alluding to the legendary propensity of America Online users to utter contentless “Me, too!” postings. The number of exclamation points following varies from zero to five or so. The pseudo-HTML
<AOL>Me, too!</AOL>
is also frequently seen. See also September that never ended.