HubSpot has enlisted 8 biggest marketing mistakes in a blog post. The mistakes include the campaigns that dealt with guerilla marketing, offering free stuff and more.Amanda Sibley says, “Everyone makes mistakes. Even (especially?) marketers. Usually, we learn from them and move on with our lives, maybe escaping with just a touch of public shaming. But what happens to those companies that make mistakes on a much greater scale and cost their company millions in clout or (gulp) dollars?They go down in history as the biggest marketing mistakes of our time. It’s hard to move on when you’re... [...]