More Rules now apply to web sites and blogs - is this going to cost businesses more money to comply?
The simplest answer is No, it shouldn't, because the things you are no longer allowed to do or say are exactly the things you shouldn't have been doing or saying in any case!
You shouldn't lie or make claims that are misleading or untrue. It applies to any content for which you have control - your web site, your blog, your sponsored ads, etc.
In the interests of not duplicating content on the Internet, the basics are covered at business link.