KitKat Has Arrived?

Seems like Google is teasing us to the Master Troll level!
But is it possible that someone has figured this out?

Worked it out.

3 days ago - 007 post.

2 days ago - 'Everybody dance now' 6 KitKat bars

1 day ago - 'This Is It' the 'S' looked like a '5'.

Today - 4.

Something is coming on Monday. Calling it.

This post on Google+ has a comment that seems to have attracted everyone's attention.
What do you guys think?