Obligatory sign up links below...

Freebird
Drivers get $10 per referral & passengers save $10 on your first 2 rides, use signup code h0b8c | https://my.fbird.co/fr9AiLHM6X

Lyft
Driver | http://lyft.com/drivers/mspdriver
Rider | https://www.lyft.com/invited/mspdriver

Uber
Driver | https://get.uber.com/drive-vs/?exp=vs...
Rider | https://www.uber.com/invite/g4fqf