Tweet about a project, and fans instantly receive a free NFT in their Upstream portfolio as a reward for their promotion. — By Anastasia Samaras Upstream is at the cutting edge of unique NFT integrations! Rather than focus on only high-ticket NFTs that may exclude the masses, we support NFTs that usher in the next generation of engagement and Web 3.0. We’re working with clients across sports, media, and entertainment to offer…