Tech entrepreneur Rehan Allawala is on a mission to empower Pakistan's most disenfranchised before they're left behind by the Internet revolution.Tech entrepreneur Rehan Allawala is on a mission to empower Pakistan's most disenfranchised before they're left behind by the Internet revolution.Tech entrepreneur Rehan Allawala is on a mission to empower Pakistan's most disenfranchised before they're left behind by the Internet revolution.