Join your local facebook group and get involved. My facebook group South Silly has done a lot to stitch together South Philly over the last ~5 years. Businesses have launched, friendships and marriages have formed, etc. We also have a webseries highlighting local personalities, businesses, artists, and musicians http://southsillycam.com
Right now best examples are mostly NFT games like Axie Infinity and NBA Top Shot. DeFi arguably qualifies... Decentralized replacements for many siren server offerings will likely be developed over the next decade, no harm in getting started now.