The one checkbox every signup process needs.
blog.webdistortion.com
blog.webdistortion.com
If you have direct sales organization that really needs this info, it might be a good tradeoff in usability vs. revenue to make, but it's still a tradeoff.
Try to imagine if vimeo or YouTube, tumblr, Facebook, or absolutely any site that implemented this in their signup form. It just plain sounds dumb. User signups are supposed to be as frictionless as possible.
What a selfish idea that only serves the author and the small percentage of similar people at the expense of the interests of the businesses they intend to write for.
Or is the author just being facetious?
I have in the past, received emails along the lines of 'As someone who has written about us before - we'd like to introduce our new product'. Which have been gratefully received.
It's common sense to build relationships with the people who can help launch other products, or help you announce features. If encouraging businesses to market more efficiently to bloggers is selfish. Well. I'm guilty.