They will be able to integrate intelligence into all their product offerings without having to share the data with any outside organization. Tools that can help you create posts for social media (like an AI social media manager), or something that can help you create your listing to sell an item on Facebook Marketplace, tools that can help edit or translate your messages on Messenger/Whatsapp, etc. Also, it can allow them to create whole new product categories. There's a lot you can do with multimodal intelligent agents! Even if they share the models themselves, they will have insights into how to best use and serve those models efficiently and at scale. And it makes AI researchers more excited to work at Meta because then they can get credit for their discoveries instead of hoarding them in secret for the company.