Venkatesh Rao@vgrTorn between "damn that's heartless" and "damn this is like living in a fun sci-fi movie"Quote TweetInsider Business@BusinessInsider·Dec 12, 2017Robots are being used to deter homeless people from setting up camp in San Francisco http://read.bi/2jCTKSF9:51 PM · Dec 12, 20171 Retweet