Many companies focus their time on chasing the next shiny social network or how to gain more followers/likes, often leaving Wikipedia forgotten about even though it is, arguably, one of the most important websites that your company should have an updated presence on.
What it takes to have an article accepted on Wikipedia
How to work with Wikipedia editors
Why monitoring your Wikipedia page is so important
What can and cannot be included in your Wikipedia article
What to do and not do when drafting or updating your Wikipedia article