It was impossible not to notice the dramatic changes in the mobile handset market in the past few years, with new brands coming up and putting pressure on the old warhorses. Who was responsible? Vijay Govindarajan gives the credit to MediaTek in his guest blog at Harvard Business Review. Both Vijay and MediaTek are worth keeping an eye on. MediaTek’s strategists and engineers figured out a way to design a much less expensive phone system.