As part of today's updates to the Skype Bot Platform, Microsoft added groups support so that bots can now be part of group conversations. Skype Bots now also can take advantage of visual image cards, carousel cards, and receipt cards. The team also is working on single sign-in directly on cards, resulting in users having to authorize their credentials one time only.
Microsoft officials have made available previews of a number of single-purpose bots built using Microsoft's Bot Framework, which is currently available in preview form. Microsoft has begun populating its Bot Directory with a number of company-developed bots, like the Bing Image Bot, Caption Bot, Summarize Bot, and Bing Music Bot.