Sales Negotiation Automation

Has existed for some time in vending machines

Search for it reveals research papers written about the concept of humans interacting with bots

eg (DOC) Automated Negotiation: Can Machines Replace Human https://www.academia.edu/7016633/Automated_Negotiation_Can_Machines_Replace_Human_Negotiators

Or software that assists the human process.

1. Big data about selling processes success
2. Machine learning into selling
3. Expert systems on negotiation techniques
4. Any research on human acceptance of Automated selling