Today HubSpot released it's fifth edition of the State of Inbound Marketing Report. This 2013 edition is 164 pages jammed with stats, key insights and takeaways on inbound tactics and strategy that any marketer or business should review. This report is the most comprehensive review of the inbound industry available, with data analysis from over 3,300 participants from 128 different countries, including CEOs, agencies, and marketers.