What are Polybius tokens and why should they be in every crypto-investor’s portfolio?

Perhaps you’ve already heard of the ongoing Polybius ICO. Indeed maybe you even know what an ICO is: a crowdfunding model where the project releases tokens for sale, giving the buyer a number of privileges. We needn’t look far for examples: Polybius tokens provide the holders with a fraction of the company earnings, 20% of which go to the owners. Essentially, a token is a smart-contract. In the case of Polybius, the tokens are smart-contracts in Ethereum. Of course, smart-contracts can be written in more than just Ethereum but it is the most popular, most famous, and widely trusted option. Therefore, the choice was not difficult.

The rest of the text u can read it here:
https://medium.com/@PolybiusBank/what-are-polybius-tokens-and-why-should-they-be-in-every-crypto-investors-portfolio-73a813c77429

By the way i have allready have 4 PLBT and i think this is a good way to invest for the longterm