The document discusses six tools of influence that can be used when trying to build consensus around ideas according to research by social scientist Robert Cialdini. The six tools are: liking, authority, consistency, reciprocity, scarcity, and consensus. Specific studies are described that show how each tool can influence behaviors and opinions. The document concludes with an activity that asks participants to apply the six tools of influence to common work situations and discuss as a group which tools are most useful and why.