AUSTIN, TX - MARCH 16:  Doug MacMillan, Reporter for The Wall Street Journal (L) and Logan Green, CEO & Co-Founder of Lyft speak onstage at 'Fixing Transportation With Humanity And Technology' during the 2015 SXSW Music, Film + Interactive Festival at Austin Convention Center on March 16, 2015 in Austin, Texas.  (Photo by Amy E. Price/Getty Images for SXSW)