For the last two years, a Facebook buy button has been expected. The company did recently introduce Payments to Messenger, foreshadowing Facebook's evolving eco

For the last two years, a Facebook buy button has been expected. The company did recently introduce Payments to Messenger, foreshadowing Facebook's evolving ecommerce capabilities. At F8, ecommerce became a development platform. The large community of Facebook developers, given open access to the Messenger platform, are more likely to produce a killer Facebook ecommerce app than the company is to do so on its own.