This is a great rounded article from Data Center Knowledge.com
Much of this survey rings true with me and I expect it will with you too. One particular aspect that could be drawn out further is business strategy.
It touches upon latency and poor user experience.
My view is you have to be strategic about where you buy space. You need to be close to your clusters of customers and strategic partners to provide the best customer experience. Your choice of location must be good for your customers not just the CIOs budget and underpin your business growth strategy.
Have a read for yourself by clicking the clink and if you need to be in a specific region or trading zone, contact Sungard AS.
Other reasons companies move applications from cloud to colocation include latency or performance issues with public cloud (47 percent), security risk concerns (37 percent), and regulatory requirements (13 percent).