Editor's note: This post originally appeared on the HubSpot Marketing Blog. The subject has a been a recurring topic of conversation recently so we are republishing it here. With millions of dollars spent each year on marketing automation and inbound marketing strategies, the time has come to stop and ask the question, “Are the investments worth it?” or more plainly “Do these strategies actually work?” On one hand, the answer is unequivocally “Yes!” However, for an increasing number of...