I have a rule of thumb that i've developed over the years: anytime someone tells or asks about X's killer, its a sign X is firmly established in the market and

I have a rule of thumb that i've developed over the years: anytime someone tells or asks about X's killer, its a sign X is firmly established in the market and will not go away anytime soon. When people actually start ignoring X in favor of Y, then it changes: people just stopped talking about Myspace and its flaws.