In an article by Steven Vaughan-Nichols, he suggests that if many people were to move to web based systems for work and not just Office 365, bandwidth may become a problem in the future especially with the web already saturated with many video sites streaming content to its users. For Steven’s full article see: http://www.zdnet.com/blog/networking/office-365-8217s-potential-fatal-flaw-not-enough-internet-bandwidth/1204?tag=search-results-rivers