Have you ever thought about SEO in a comprehensive marketing way? I'm sure you have. Just like every other marketing decision out there, there are some communication mediums that make sense, while others don't. So, in your opinion what kind of business or industry is least likely to greatly benefit from a strong web presence?
any IT related company will benefit allot. but in a long run web presence is essential for any company today. and the laundry would probably benefit the least )