Microphones

I've been thinking lately, how should I use a mic in a presentation? How should I hold it? Where should I direct it? I've learned to have a handheld mic at a 45 degree angle and don't try to speak into it but rather speak over or across it.  Here's more info:

http://www.dummies.com/careers/business-communication/public-speaking/hints-for-speaking-into-a-microphone/

https://www.youtube.com/watch?v=c9ZaQFCxQr8

This is a good demonstration



Photo from sciencedabc.com

I promise I'm joking!

Hope you find this useful!