SEO/SEM In A Nutshell

Search engines exist to help manage and organize massive amounts of information accessible over the Internet, which continually change on a minute-by-minute basis, so that website visitors can find exactly what they are looking for in the shortest amount of time and effort. Online marketing includes affiliate marketing, direct e-mail, reputation management, brand management, brand development, website analytics, paid placement, social networking, domaining, copywriting, content development, and lead generation. SEM is a broad set of online marketing activities, based on empirical studies of search engine results, to promote particular websites within search engine results pages for particular keyword phrases, concepts, and categories.