many thanks to you to share with your knowledge with us, nowadays it change many things. if you go back in our Previous generation-- there were gold owned by the person who is a owner of many lands , then next generation evaluation is different -- there who is owner of many companies / factories is the owned of gold , and now its totally change ,In the world of technology the gold is owned by the person who have more data such as google , facebook etc.

The essence is that, a lot has changed over the ages