Andres Barreto launched several startups, including Grooveshark and what other?
Andrés Barreto:  Barreto has also launched several startups, including Grooveshark (defunct), PulsoSocial, and Cloudomatic. Grooveshark: Grooveshark was a web-based music streaming service owned and operated by Escape Media Group in the United States.
PulsoSocial