"Twitterfall is a Twitter client specialising in real-time tweet searches. New tweets fall into the page.
Twitterfall has a huge feature list and there are many actions that can't be done on other clients."
With MightyMeeting you can manage a library of PowerPoint presentations directly from your smartphone. You can share them via email, blog, Twitter, or Facebook. You can start or join web meetings directly from your laptop, iPhone, iPod Touch, or an Android phone.