Stashed in: Facebook!, Google Acquisitions, Yahoo!, Charts!, Active Users
Sure does look like Geocities and Aardvark were the big winners here.
One big lesson: get as many users as you can. 100 million users of ANYTHING is huge.
Good article on 15 years of acquisitions:
Why Facebook Hired David Weekly
The Sharing Economy Is About Desperation
Black Hat Speakers Hack a Nest Thermostat
YouTube: Hollywood's Hit Factory for Teen Entertainment