Most marketers who profit from an email send, an e-commerce site, or a lead generation landing page stop there. Why mess with success, as the saying goes.

But how much money are you leaving on the table by settling for what worked yesterday? Through our research with consumer and B2B marketers the world over, we have (marketing experiments that is!) learned that companies are letting billions of dollars leak out of their sales and marketing funnel.

Covering the final quarter of 2010 this is an essential read for anyone involved with online marketing and design – especially when it comes to optimising website landing pages and online campaigns.

MarketingExperiments Quarterly Research Journal, Q4 2010