Measuring ROI For Online Marketing Channels, January 2013 [TABLE]
In January 2013, the greatest percentage of companies reported a good ability to measure the ROI of search engine advertising, which is understandable given search’s longstanding role in the online marketing mix. Email marketing, also a stalwart, was just behind paid search. Mobile marketing, social media investment, video advertising and webinars were the channels that proved the most challenging to measure. Read the rest at eMarketer.