Google blocks Twitpic over alleged malware 14 years ago
Interestingly, if you try to load any page with Twitpic content embedded you get the same warning.
Try to load the founder's page on Twitter: http://twitter.com/noaheverett
"Danger: Malware Ahead! Google Chrome has blocked access to this page on twitter.com. Content from twitpic.com, a known malware distributor, has been inserted into this web page."