does anyone know how it is possible to do any of the following things.

1. Take a video feed of something you are doing on your computer. ie. If i want to show someone how to open a file a take a video of me doing it. Possibly a peice of software that can do this for me.?

2. Does anyone know of the peoce of software that allows you to say something into a microphone and it turns into text on a program such as notepad.

thnx for your help