Hard questions about bot ethics

Amir Shevat is the head of developer relations at Slack. Bots are becoming a part of our life. I wake up in the morning and tell Alexa to play my Brazilian samba, I let Amy set my meetings and I check stats and reports in Slack. Bot builders and users alike are starting to understand that bots are an integral part of our life. But what are the rules that govern these new tech friends?