- search engine optimization (or SEO)
- paid placement,
- contextual advertising
- paid inclusion
Vested interests appear to use the expression SEM to mean exclusively Pay per click advertising to the extent that the wider advertising and marketing community have accepted this narrow definition. Such usage excludes the wider search marketing community that is engaged in other forms of SEM such as Search Engine Optimization and Search Retargeting.
* Get Results - Outsource Your PPC Management |
* Don Burk Advertising & Marketing - www.donburk.com