You work for an event planning company and you are planning an event introducing

You work for an event planning company and you are planning an event introducing local meeting planners to free and easy-to-use technology to incorporate into their meetings. Your boss has asked you to research at least 3 types of (cutting-edge) technology you think should be included for this event. Please list your recommendations in priority order, include at least 3 pros and cons for each, and note how this technology would be useful with regard to the meeting environment.
*** Sources must be provided (at least the website that you can find the information from)