benfrog writes "A just-patched bug in Instragram potentially exposed user's private photographs to strangers. According to a Spanish-languge blog post by security researcher Sebastián Guerrero (English-lanuage security advisory related to his post here), photos and private information were exposed by the bug stemming from the ability to guess and forge approved requests to follow a user. Guerrero illustrated the vulnerability by adding himself to a group of people followed by Facebook founder Mark Zuckerberg." Link to Original Source
The IQ of the group is the lowest IQ of a member of the group divided
by the number of people in the group.