I haven't thought about this in a long time, but Google also successfully wooed a lot of AIM users around the mid-2000s by integrating AIM sign-in into Google T

I haven't thought about this in a long time, but Google also successfully wooed a lot of AIM users around the mid-2000s by integrating AIM sign-in into Google Talk. You could talk to your old AIM friends right from your Gmail tab, and your new friends probably had your Gmail address anyway, so you'd gradually stop giving out your AIM info at all...