So you’re about to have a wedding, or you’ve seen your relatives at a wedding attempt to take images of the entire ceremony (probably in an attempt to replace having to hire a professional). 

What’s the main difference between a professional and “Uncle Bob”? 

http://www.ispwp.com/uncle-bob-vs-a-professional-wedding-photographer.html

This article sums up the pros and cons of both sides. Although I am preaching to the choir, it’s pretty fun to read. 

Uncle Bob, stop getting in the way will you! The professionals are working.