What is the generic name for internet ad placements like google adwords?

[Jess]

When you search for something on google (or Yahoo, etc) a bunch of related websites appear on the right hand side of the page. What is the name for this type of advertising? Is there one?

[kevin s]

Pay per clicks

[arizona wolfman]

Answer to 2nd question: pay per click advertising

Answer to 1st question: contextual text advertising?

[kpfingaz]

Search engine marketing
search marketing
PPC Advertising
Pay per click advertising