Optimism Collective announced their fourth air drop targeting artists and creators in the optimism ecosystem, with eligibility criteria based on engagement and creativity. The air drop valued at $37 million was announced on February 21 and targeted 223,000 addresses of individuals who deployed NFT contracts on the Ethereum Layer 1 base, OP Main, and Zora before January 10. By interacting with the same NFT contracts, individuals were able to qualify for the air drop. The speaker shared their positive experience with the air drop, highlighting the importance of using claimable products to ensure eligibility for such opportunities.