John Wanamaker famously remarked:

Half of the money I spend on advertising is wasted; the trouble is, I don’t know which half.

Not too long ago, we ran this poll on Marketing.fm – do you think the Wanamaker quote should be revised with the advent of CPA, CPC, improved tracking & measurement in the interactive space? Please let us know…

[tags] cpc, cpa, interactive advertising, marketing, john wanamaker, marketing.fm, polls [/tags]