XB1M13
Update: Machinima has admitted fault – http://blogs.wsj.com/digits/2014/01/21/xbox-endorsements-on-youtube-cause-flap/?utm_content=buffer52ff8&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer
Ars Technica reports that Microsoft and Machinima have been running an influencer program for the Xbox One, paying additional revenue for positive/neutral mentions of the Xbox One. The problems arise when the channels taking part are told specifically not to disclose this fact – http://arstechnica.com/gaming/2014/01/stealth-marketing-microsoft-paying-youtubers-for-xbox-one-mentions/
TotalBiscuit discusses the wider implications of this and shares past experiences with MCN “brand deals” XB1M13