[dewey]

It's a convenient place for a lot of people who don't want to sign up for more "complicated" exchanges or are less familiar with the whole crypto currency ecosystem to buy into the hype.

Also you can transfer your balance to GDAX for free (it's part of Coinbase and trade there with lower fees)

[amenghra]

Give Square Cash a shot? Bitcoin support is being rolled out [1]. Full disclosure: I work at Square.

https://www.bitsonline.com/square-expands-bitcoin-pic-guide/