Coinbase is giving away $3 worth of ZCASH, which is a privacy-enabled cryptocurrency.
First, you need a Coinbase account - which you can register here
Then, you can use the following URL to start watching three videos about ZCASH
https://www.coinbase.com/earn/zcash?utm_medium=email&utm_source=invited&utm_campaign=zec_launch
After each video (1-2 minute each), there is a question, which should be fairly easy to answer, you will then receive ZCASH shortly.