Sean Smith from a start-up called Spectafy says it well: "If you’re marketing for an early-stage startup, every second counts. Any mistake is a massive setback. Setbacks ultimately lose potential customers." During their content marketing journey with Spectafy, a real-time photo sharing app, Sean Smith and the group made plenty of mistakes. Fortunately for you, they kept track of what works and what doesn’t to help you avoid wasting time with your own content marketing efforts. Read more at the Copyblogger site behind the link.