WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
Uber - Uber is a website and mobile app that allows you to get a ride similar to a taxi service from your phone.
NEWOLDSTAMP - Email signature generator
BlaBlaCar - BlaBlaCar is a ride sharing service that connects travelers throughout Europe.
Sigstr - Email signature marketing
Lyft - Lyft is a mobile app that lets you get rides from pace to place for a fee. If you want to be a Lyft driver, you can go to their website and easily sign up to start driving for them. Read more about Lyft.