Airbnb follows 9Flats example by Christo Volschenk in Real Estate 02 Feb 2012 By Christo Volschenk The race between private accommodation platforms Airbnb and 9Flats must be tough. Judged by the way the two competitors exchange blows. The latest tit-for-tat between the two has to do with advertising – an expensive issue for most start-ups. A few weeks ago Berlin-based 9Flats.com came up with t This article is only available to AIM Group clients. Please subscribe now or log in to view. Share 9flatsairbnbaxel springergermanyStrategy Christo Volschenk Christo Volschenk is managing editor of the news on Aimgroup.com and our senior analyst covering Naspers. He brings more than 31 years of experience in business journalism to the team - the last 18 years focused on classifieds and e-commerce. Apart from working closely with the AIM Group, Christo is a freelance journalist, content manager, and copy editor. Before branching out on his own, he spent 15 years with Naspers in South Africa as journalist, economics editor and online project manager. He now spends most his day editing the news reported by 23 colleagues in 23 countries from his base in Stuttgart, Germany.