Register on Uber.com to get $20 free in Uber taxi credits. If you hate public transit, that Stanford Shopping express not coming on time, here's your solution.

What is Uber ? - A comparatively lower cost taxi serivce - approx $1.5 - 2 /mile . All charged to your registered credit card directly, no tips awkwardness !

How do I get free credit ? Register here : "https://uber.com/invite/uberREDZONE"

How do I get Uber Taxi serivce ? Just use your smartphone and install Uber App, set up app on phone, Choose pick up location or current location, Ride !

What can I use it for ? - Anything: Shopping trips , Date, job interview , that-time-you-wanted-to-get-drunk-but-were-supposed-to-drive , friend's place , nearby restaurants, that-time-you-waited-forever-for-marguerite !

How to use it better ? - Go with friends, use your $20 credit first on one side of trip, a friend can use $20 credit on return trip. Trips to San Antonio shopping center, Downtown mountain view, Redwood city will end up being free or cost less than public transit. Four people can easily ride .

PS : Is there a catch ? No. But this comfort might be addictive so DO not use it.