Social networks reward posts and pages that are already popular by recommending them to people who might be interested in them. Boosting essentially causes the recommendation algorithm to kick in and show your content to many more people increasing your reach.
"Safe and organized.
Easy to understand and best of all it works!"
"It works, it's easy to use, what more could you want?"
"Works efficiently and the amount of coins needed is low which is great"
"Works great and likes/views/comments are always given"