"Search listings worked better than standard banners or button formats with regard to brand recall, favorable opinion rating and purchase origination...
Fifty-five percent of participants' online purchases originated on sites found through search listings, compared to nine percent from sites originating from banner ads."
"It's true that not all businesses will achieve the same kinds of return on investment from a successful optimization... However, when you consider the low cost of SEO compared to other forms of marketing, your bottom line may increase substantially."
"If you're in the market to hire a search engine optimization company, you probably feel bombarded with promises of #1 rankings and instant success. But how do you know which claims are important and which to believe, and which are classic snake oil pitches?"