I invested some into XRB awhile back because of the potential it has, glad to see it getting some recognition.
"Why RaiBlocks?
No fees: The RaiBlocks network has no notion of fees.
Low latency: Transactions are natively processed instantly giving a responsive experience.
Scalability: Micropayments require a system capable of significant scalability.
Simplicity: Users have a simple experience without technical jargon."