Copied from SlickDeals (NOT MY POST, credit to brush)
Discover has introduced new send money now service through paypal which is free to use and money is deposited directly into recepient's paypal account which can then be withdrawn (only recepient needs to have paypal account). This money counts as purchase and regular APR applies, you will also earn regular rewards on the transfer.
Daily limit: $400, monthly limit: $1000
No fees associated with discover card to paypal transfer and withdrawl at paypal has also been free if you use direct deposit. I saw this option of send money on their mobile application and thought it was worth posting.