Ever since Gingerbread and the Nexus S, the Android world has been in a constant and dramatic state of UI flux and we've all faced some hard questions as we adjust to new interface design. "What's the best way to layout software buttons?" "Can we live without micro SD cards?" "Where is all this new hair coming from?" Matias Duarte took to Google+ to answer two out of these three questions you have about your growing pains.
On the subject of the decision to change the UI on the Nexus 10 to be more in line with the Nexus 4 and Nexus 7 layouts: