Update: Deal over.
New to Uber? Sign up via this link and you’ll get a free $15 credit added to your account. ————————–
If you are an existing Uber user, you can get a free $5 credit on your account.
To get the $5 credit, go to the promotion field in the Uber app and enter coder: LAYSSUMMER
$5 credit is valid through 07/10/16, and may be used in the US.