When Google's (NASDAQ:GOOGL) Drive online file system suffered what the company called a "service disruption" last week, users took to Google+ and Twitter to voice their frustration over being unable to use a system they'd come to depend upon.

That's the bad news. The good? That so many voiced their frustrations in the first place, for it reveals just how much we've come to trust cloud services in ways we never would before. Microsoft's (NASDAQ:MSFT) hefty, ongoing investment in Office 365 -- the online edition of its productivity suite -- is a testament to how fast cloud computing services have caught on, says Tim Beyers of Motley Fool Rule Breakers and Motley Fool Supernova in the following video.

Please watch and then weigh in using the comments box below. Are you using cloud computing services? If so, which ones and what have they replaced?