Twitterfall is fantastic for following hastags or keeping up with is taking place at an event.

I like that software. As for me, it is too great tools to share with all of your skills with someone. Making wonderful conferences. Very easy to access to any device.

I really think that it's great to share an opinion with all audience during the conference.All of the question I can ask thought my tablet or even phone.Also, it's so easy to work with all tools.