Translation of Grundsatz

The change would be easy technically speaking and your feedback is very important to me. By the way, do you want me to help you with the website or take another freelancer. I left Cuba, Bolivia, and Peru.
It is called Facebook viral marketing. I'm 62 and it's somewhat mystifying, but my two boys are using it continuously. What I'm a bit afraid of is the personal information they send to everybody. It has no privacy.
I like music very much too. I prefer classic music, but rock is also good. When you come to my Berlin we need to out to concerts together and visit a few bars. They are all close to the center.