Home - Why moving your IT to the Cloud is a bad idea by Peter Blue

I'll write more on this later but this is a good starting point :-

Entire company locked out of emails and other Google services. Company uses Google accounts that are all connected. Someone in that company was a bit naughty and that resulted in a complete ban/block on the Google account and ALL associated accounts. Everyone in his company is now blocked by Google and some of their personal e-mails are also blocked as well.