Google has released a tool (in beta of course) called Google Moderator to help you prioritize questions for Q&A sessions. It’s hosted by the Google App Engine and lets users submit questions directed toward certain people. Then others can vote on the question’s worth. Google Platform Engineer Taliver Heath talks a little bit about how the tool came to fruition:
Presentation Nullification : 7 Ways Presenters Mess Up and Solutions So That You Dont
Every day, there are people in offices and conference rooms presenting “irrefutable” facts, “compelling” ideas, “logical” solutions, and “bullet-proof” success strategies that come across flatter than yesterday’s soda.