Is there any software that I can control our team member's screen (or web browser/PowerPoint)?

Question

I'm a PM. I sometimes need to teach my team member something. So, I want a software that I can control the screen or a powerpoint presentation

Answer 1

Teamviewer. Simple. Easy to use. There is even a portable version. Control their screen. Troubleshoot. Voice chat. Record. etc etc.

http://www.teamviewer.com/en/index.aspx