HubSpot has released a free chapter from the book ‘The Science of Marketing’ by Dan Zarella. The chapter is titled “Expert Advice to Improve Your Marketing Today”. The HubSpot team says, “Twitter isn’t all unicorns-and-rainbows. It’s numbers, data, hard facts and science. Learn how to get more out of your Twitter efforts with this free excerpt chapter on Twitter from Dan Zarrella’s upcoming book The Science of Marketing. In this chapter, you’ll learn: How to get more followers. The data behind retweets. What behaviors get more clicks. How... [...]