What do you think will happen after Android Z?

Officially announced today by Google, Android M is the 13th major iteration of Android. Can you believe that? It's only been 8 years since the first public version of Android was released (in late 2007), and its 13th major release is already here. Well, almost here, since only a Developer Preview is currently available.
What do you think will happen after Android Z?
Google will find another naming scheme
53.31%
Google will start all over from A
18.53%
Android itself will be renamed
21.66%
I've no idea / I have my own theory which I'll share in the comments
6.5%
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