Venkatesh Rao@vgr🤔huhQuote TweetRealScientists@realscientists·Mar 8, 2017Replying to @realscientistsI was at a conference when a older white male said "Nuh-uh-uh *finger waggle* you can't take pictures of the posters!" (6/n)9:33 PM · Mar 8, 2017