Just invested in the coin - bought tens of thousands of SC. The technology is similar to Golem in a way that it concentrates on sharing storage space rather than cpu resources. Ten times cheaper than amazon, google or microsoft but above all - anonymous/decentralized and already working - just download the app:
Buy at discount:
https://coinmarketcap.com/currencies/siacoin/
Check out the blog:
By the way, they are supposed to lunch a big upgrade today or tomorrow. Stay tuned.
Cheers,
Oli Lean