I FEEL THE EARTH MOVE: EdSurge is hearing rumblings of a couple of big industry players preparing to dive more deeply into the K-12 education space. It's a strong indicator that the marketplace is maturing. It also surely rachets up the competition. Disney is one big mover; the other, well, take three guesses. Disney's plans include introducing curriculum into some of its digital offerings that has been developed in collaboration with world-class university educators. The second effort is going after edtech's biggest buzz word, namely adaptive learning. Execution will be crucial and bigness is no guarantee of success. But the stakes are getting serious, folks. Stay tuned.