People often complain about Facebook's regular design changes. Yet it improves their experience on the site and they forget about it a week later. But more importantly, these regular updates stop Facebook from doing a MySpace, that is remaining stagnant until a point of irrelevancy.Perhaps in one of their biggest revamps, today we saw Facebook introduce Open Graph. This is a game changer, and keeps Facebook relevant for an extra umpteen years. Combine that with the high investment many users have with their accounts (identity, networks, memories and content), Facebook isn't going anywhere any time soon.And Facebook's constant changes are the reason. So stop your whinging. And while you're at it, Like this blog by clicking the button below....