If the soundtrack of your youth includes the sweet, crackling sounds of a dial-up modem, then you probably spent part of your adolescence organizing a buddy list and requesting the A/S/L of various strangers on the internet via AOL’s Instant Messenger. At least, until Gmail debuted its Google Chat feature, rendering AIM virtually obsolete. Now, the messaging platform that hasn’t had a development staff in the last six years—let alone a significant part of the market share—is signing off for good.