Ecommerce marketers at US brands are struggling to keep pace with where and how consumers browse and purchase online, according to new research published today. An ecommerce-focused study by Search Engine Watch and ClickZ, produced in partnership with Catalyst, part of GroupM, has found that 85% of browsing and purchasing activity occurs with non-Amazon retailers, but only 25% of US brands say they have a strategy for ecommerce retailers beyond Amazon.

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New research: The Era of Ecommerce