That is true.
Google is starting to branch into just about every tech market. They are now even looking into being an ISP.
Apps for the desktop and phone
And about a billion other things I am not going to list.
Yeah if you do look at it that way maybe they will just become so big and just blow up from the inside out. Guess you can say that's what happened to General Motors as well along with all the great empires through the years.