Microsoft Adds Facebook Messenger to its Bot Framework by Fortune Video @FortuneMagazine April 30, 2016, 1:29 PM EDT E-mail Tweet Facebook Linkedin Share icons More evidence that the age of bots is upon us. Microsoft has added Facebook Messenger to the list of channels supported by its month-old Microsoft Bot Framework, accordign to a blog posted late Friday. That’s a big deal since Facebook claims 900 million users of its Messenger chat application. That’s a lot of potential users. Microsoft’s framework, which it hopes software developers will use to build their own bots and connect them to other bots, already supported text or SMS; Office 365 Mail; Skype, Slack; GroupMe; and Telegram channels. To back up, chatbots or bots, are little computer applications or agents that respond to a users’ questions or prompts them for more information. They make interacting with a computer seem more like a human conversation. If you’ve used your bank’s online help center, you’ve used a bot. Facebook Welcomes Chat Bots to Its Messenger App. Bots are also getting smarter, as they’re imbued with artificial intelligence so that, say, if you want to order a pizza from your regular spot, the pizzeria’s bot will remember your favorite toppings or even recommend new choices. Facebook last month announced a slew of businesses supporting Facebook Messenger including Uber, Lyft, and KLM Royal Dutch Airlines, CNN, eBay EBAY , Walmart WMT , Spring, the NBA, JackThreads, Zulily, Spotify, Zynga ZNGA , and 1-800-Flowers FLWS . Get Data Sheet, Fortune’s technology newsletter. Now Microsoft msft , Facebook fb and other companies see bots as a way to enable more customer-business interactions and are trying to make sure that their own messaging applications act as conduits to as many botsas possible. The advantage to consumers is that instead of downloading a zillion one-off apps to their phones and upgrading them incessantly, they can just use their preferred communication mode—texting, instant messaging or whatever— to interact with a ton of bots. For more on bots, watch: The other news disclosed late Friday in the blog post is that Microsoft opened up its bot directory, a listing of available bots, to developers.