Recently, I've hit a "tipping point" where I have enough content (blog posts, podcasts, interviews, etc...) that companies now regularly seek me out for advice.

"To be known, you must teach" - Nathan Barry

After I wrote "This is a web page" (http://justinjackson.ca/words.html) I was contacted by VPs at Coca-Cola and Google. They weren't offering me work: they just wanted to say they enjoyed my writing.

Writing, and amplifying your content, is one way to get your foot in the door.