Why do we need to follow the changes?

Ok, we will make it simple like this. How often does the mobile technology changes in the markets? When you buy a new brand of PC / Notebook, do you know three months later, there will be a new brand technology upgrade for that PC / Notebook? We are human beings with satisfaction and perfection who are more flexible. As changes take place we need to follow it. There is no situation whereby no changes occur. It always happens so suddenly that we might not feel it at all. Like the earth, it is always rotating at a slow speed and we can never feel that movement. As a quote says: