What Makes Paid Search Programs Successful

At a high level, it is fair to say that it has a lot to do with the ability to bid on the right keywords, serve very specific ads tailored to each geo/language/device, and redirect to the most appropriate landing page for each geo/language/device.
http://searchengineland.com/paid-search ... ity-135753
http://searchengineland.com/paid-search ... ity-135753