kbnrylaec: I always wonder why many websites and apps change their own looks and functionality every few weeks.
Many newer versions of apps are actually worse, and introduce more and more bugs.
Desktop Environments for Un*x also suffered this kind of problems.
I guess those young designers just do not know what is good and what they want.
They just change everything without thinking, and hope the new design will be better.
There is software that is so
stable that it looks dead. I remember thinking "why don't they add new features?" Stuff that looks ancient, like TeX and awk. They really look decades old. But they work and you know you can trust them.
At the other end you have flashy software that has skins, and you really enjoy tailoring it to your tastes. But after a few days you realize that the default one has the best usability and loads faster anyway (and does not look silly). Things like Enlightenment and Winamp come to mind. And then there is Metro.
But, hey, keep using the old version if you can. But with services, you can't do that! I have complained about the usability of my home banking website and they just ignored me. It is a pain to use! Clearly these people don't use their own products regularly. But, hey, it looks pretty!
Edit:
To clarify: new design shows work and improvement better than fixing bugs. Also, the looks are easier to evaluate than functionality.