Viewed, a Spanish technology company specializing in data driven personalized video for email marketing, with unlimited real time production capacity, has signed a collaboration agreement with the Dutch company Webpower. Webpower, which has subsidiaries in Spain, Germany, Sweden, China and Singapore, specializes in email marketing, marketing automation and consulting services for companies that develop relationship marketing strategies with their customers, and want to improve their results. Email marketing, far from disappearing as some digital marketing professionals predicted a few years…