These ways are also ethical and completely legal. The fact that some people go about it the wrong way doesn't mean ALL Internet marketing is bad. The correct way is not commercial but informative in nature. But definitely, you have to know exactly how to approach people and what to do. In fact, if you don't have a working understanding of marketing Accounting services on the Internet, you won't know what your web site should be like.
Internet is but a baby yet as far as new medium.
There are no comparisons, really. The most important difference is that traditional marketing and advertising do NOT work on the Internet. It is NOT a shopping center. Most businesses online haven't caught onto this. Only 4 percent of businesses KNOW how to market on the Internet.