Google Map and Google Now are getting worse

This is going to be just short mumbling. I still remember how I love to use Google Map and Google Now. The appealing features are convenient, accurate, and helpful. But now they are getting worse. Google Map is getting slower response and less accurate location service. I guess it is not easy for Google to continue serving Map for free, but this is not the excuse that Map can get worse. Google Now used to be accurate too: it recognizes anything you say and executes precisely. Now it just cannot handle your voice. "OK Google" has to be very close to the microphone; some other words may accidentally trigger "OK Google"; "set up an alarm" and "remind me" turn to be the same; and it recently stops recognizing "yep" and "nope." Well, well, well...

My Experience on AP Calculus BC

Finally the examination of Calculus BC ended. Overall, very good, I’d have to say. The questions were not harder than I expected and the time is OK for me. I even checked three times just in case if there existed an incorrect answer. Free response was not difficult but only needed a lot of explanations. Btw, Caihua Chen, my Calculus BC teacher, is excellent at teaching. All the questions he mentioned in the class were tested in the real examination.