HOW DOES STOCK FOOTAGE CONTRIBUTE INTO THE FILM MARKET SECTOR?

As we made small talk, he noticed a microphone on my desk in front of my laptop. He asked me what it was for and I explained that I use it to dictate my lecture notes into my computer and do "voice overs" for information which i provide to students through the online market place. I also told him that the microphone was inexpensive and that I exper