Pay per click and SEO can be seen as the two sides of a coin. Each of them help in boosting website traffic in their own way. The only major difference between PPC and SEO is the expense. PPC by Google AdWords and Yahoo Search Marketing can be a bit heavy on your pockets. You will have to pay the marketing experts and you will have to pay for the keywords you wish to rank for.
SEO is something you own website marketing team can perfect over time, without accounting for