Why Did Google Destroy Keyword Call Tracking?

Tweet By now, marketers know the value of using call tracking to close the loop on online marketing. It should be an extension of online marketing?tracking leads from click, to call, to close. Early pioneers of call tracking, companies like Mongoose Metrics and Marchex came up with some ingenious ways to link SEM to phone [...]

Source: http://feedproxy.google.com/~r/SearchEngineJournal/~3/hvM3Og3EmH0/

more info here more info here more info here more info here more info here more info here more info here