Nebula has five factors that work in its protocol. Decentralized Proof is Skills is a method of democratizing interviews of candidates.  Curated job opportunities allow people to have choices of the projects they want to work on.  A decentralized reputation system companies, workers, contractors, etc. informed about each other in a transparent manner.  To prevent spam, Private messages for direct business opportunities will be paid based in the rate than the receiver set.  In addition, payments on the Nebula platform are planned to have zero fees.