Driverless cars, Internet balloons network, robots, home sensors, optic fiber network.
I think Google is building a big puzzle. It will be a bit creepy when it is completed.
I think Internet was just the beginning. They will follow the same pattern for the physical world : crawl it, measure, analyze and build free or cheap services then put ad on it.
Imagine Google Taxis. They would be driverless. They would transport you, know where you go. they would also capture every bit of information about the environnement : every shop, every car, every work in progress in every city ...
I think Google Streetview cars are their very first real-world crawlers. They are the early websites directories of Internet first years. Based on human drivers, not automated, not so up-to-date ... Then will come driverless cars, sensors at home, balloons, maybe ships and drones.
Data quantities they own about you, about the world will explode.
Although their mission is "Organize world information ...", not only Internet information ...
Someone has the same vision ??
If Google stopped operations right now, we would still need a decade to catch up with their current technologies, and they leave behind a massive patent minefield that won't help the situation.
The speed at which they push forward comes at a high price in my opinion. Their dominance and the fact a lot of end users as well as companies are basically fully dependent on them scares me.
Right now there are few (worthwhile) alternatives to their products and god knows what this will be like in 2020 if everyone keeps ignoring that.