If you are worried of your data being spread on the internet and if you’re not 100% sure on how your data is actually handled by the giant (google), here’s a solution for you.
I’m sure this is not new for most of you but maybe I’ll catch that 1% not yet aware of.
OwnCloud is a web application you can install on your linux box which you can use as your own cloud (indeed).
All the services you get from most of the cloud services available for free (document sharing, file sharing, calendar sharing) are going to be available through this fantastic free and open source application.
All you need is:
Install the app on your linux box. It’s a very easy process and well documented on www.owncloud.org
If you, like me, are using a broadband service with dynamic ip definition, you need to set up a service (no-ip for example) to dynamically associate the changing IP address to a domain you previously bought.
And that’s it.. your own private cloud is there.. ready to be shared only with people you trust and being sure that no one is gonna have a look at your bank account details 
Just make sure to backup your date regularly or even better to buy a raid hardrive for the peace of mind. After all your privacy is priceless!!
Nico