How good are you!?

Please, watch this video first:

So, what was your result? Could you really see what's going on?

Let's try one more. Watch this:

Well, you if could get all or almost all the changes, it means you're a good observer. If not, you'd better try to see things more carefully. 

Do not forget that beauty is in the eye of the beholder. If you're not a good observer, remember that time passes and you may not have enough time to see things/ people the way they really are. 

This is just food for though!