HubSpot has released an ebook titled “6 Deadly Marketing Myths Busted”. The HubSpot says, “In this ebook, you will read how we bust the following marketing myths: Social media is for conversations, not broadcasting. “Please ReTweet” doesn’t work. Don’t market on the weekends. Don’t call yourself a “guru.” Send less email. Klout is worthless”. HubSpot’s ‘6 Deadly Marketing Myths Busted’ eBook  [...]