Meta introduced a standalone Seller app for Facebook Marketplace, causing eBay shares to drop 3.7% on the same day. The app aims at professional sellers, offering bulk listing features, a unified messaging inbox, and tools to manage tasks efficiently.

Artificial intelligence plays a key role by automatically generating product descriptions, assigning categories, and suggesting prices based on uploaded photos. These advancements potentially lower selling costs, posing a challenge to established platforms like eBay.