Search Engine Marketing enables you to pick as many keywords as you like and be featured highly in the search engines for each one provided you have the resources to go after all of them. There is very little expense involved in the set-up and once you have your website optimised properly you can reap the benefits for a long time. Search engine marketing allows you to target the exact customers that you want without wasting time and money on others.
The traditional methods of marketing such as billboards, newspapers, etc. are like the equivalent of buckshot whereas search engine marketing gives you a laser guided approach to getting the attention of the customers that you want.
Internet marketing is the direction that all companies are going and search engine optimisation as well as search engine marketing are vital components of this. The speed of change on the internet means that you have to be able to adapt and unlike brick and mortar businesses you can do this very inexpensively on the web. You can also diversify or go into a completely different market if you so choose without spending a lot of money at the outset.