On Tuesday's edition of Tech Teardown, host Erin Kennedy and Motley Fool tech and telecom bureau chief Evan Niu take a look at the biggest stories in tech from the market this week. On the docket today, could this pricing war in the cloud computing industry lead to a race to the bottom that crushes margins? Also, just how big of a win could Samsung's new Galaxy S5 flagship phone be for Qualcomm? And, what can investors expect from Microsoft's annual Build developer conference this year, once it kicks off tomorrow? And finally, after seeing so much success with its disruptive new approach, could T-Mobile have just shot itself in the foot?