As a Japanese, first we MUST stop pronounce Chinese names, both place and person, in Japanese on-yomi rule.
e.g. Beijing(北京) is called "Pekin". Xi Jinping (習近平) is Shu Kinpei.
It always confuse me when first heard those name in English.
So that might be why Beijing is called Peking in German... Although the (generally closer to original pronunciation) English romanizations of some Chinese names are becoming more common.
Are there any newsletter or campaign mail service that automatically schedule amount of mails so that they will not blocked? Say I'll going to send the first volume of newsletter to 10K email address (not a cold mail, they are our users).
And GCM was literally just renamed FCM. It’s been years since I worked with the libraries but iirc GCM v3 registered tokens worked with FCM. I don’t recall all the specifics of C2DM other than that it was recipe enough that we built a whole push network at Parse instead.