People have been saying that since the 1980's, but emo always seems to reinvent itself just in time to survive and come out the other side even bigger and more popular. You have to realize that we're talking about a genre that was considered "dead soon" when most of the industry still thought Whitesnake was the future of rock and roll and Kurt Cobain was entering high school. Saying emo is almost dead is like saying punk is almost dead or rap is almost dead. It is too broad and way too pervasive to just die off.
For example, Jimmy Eat World was considered dead (and dropped from their major label) because Limp Bizkit was getting huge. That's how long those guys have been around, and now they're on their 3rd major label, bigger than ever (though probably less emo than ever, too). They can't be killed.
In five years, your pet goldfish will have jet-black fins and scars.

Buy stock in hair-dye!
