SXSW features killer robots and killer barbeque. Alexa's spontaneous laugh makes us afraid of an AI takeover. Amazon wants to take over your checking account. Can blockchain reinvent fintech? Android users more loyal than iOS users. Is AI really all that smart? Apple hires M. Night Shyamalan. Millennials love Apple more than anything. Mario takes over Google Maps. Facebook asks if pedophilia is ok. On Twitter, fake news spreads faster than the truth. China's new Department of PreCrime.