A Meta executive overseeing a key piece of its AI-related restructuring is leaving ?the company, according to an internal announcement ?seen by Reuters on Wednesday.Emily Dalton Smith, who has been with the Facebook owner since 2015, previously held roles as a vice president of product management and head of product for Meta's Twitter-like microblogging app Threads.Her departure comes about two months after Meta told employees she would be leading product work to improve internal AI ?tooling as part of ?a ?company-wide overhaul to center AI in both its user-facing offerings and its approach to internal work.The restructuring, aimed at developing...