Amir Shevat of Slack talks about some great tips on how you can design your bots to be entities that people would love interacting with and explains the tenets of the "Beer Test" to determine what makes a good bot.
Bertrand Fan has some great ideas for bots but as a Seinfeld fan, my favorite is the Seinfeld bot -- give the Seinfeld bot a line from the show and it will give you an animated gif with the subtitles -- for your viewing pleasure!
Alex Bunardzic explains why bots break the fourth wall in software and he walks through an e-commerce application that has been built with "conversational commerce" in mind.
Speaking of which, House of Cards coming soon!1!!