I like them because they're really trying to solve the problems around decentralized storage. Storage will be a very valuable resource for a long time to come, so anyone who can make it cheap and make it work well will have solved a valuable problem. Take a look at the companies that have invested money in them (Google is one), and you'll see that they have strong interest in what the team is doing. And I'm not talking about millions, but more like normal investment money to fund hiring of people. Here's an article about them:

https://www.bostonglobe.com/business/2017/08/07/sia/sUZ0p3EE...