In a world full of discoveries and inventions, it is very difficult to see the same thing today what you saw yesterdays. Changes are invincible and inevitable. Therefore one needs some one who keeps him updated about the changes taken place everyday.
I was in Washington two years back, and was planning to go Baltimore. My friend suggested me to take a long route because there was work going on the short route. Thanks to google who guided me that the road was clear on the short route because if it wouldn’t have been google, I would have missed the flight back to India