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So but back on this notion of - since we're on the subject of cars,
another application that puts a bunch of these principles into work,
software above the level of a single device
is Uber and rethinking workflows.
Think about that wonderful experience you've got a phone in those where
you are the driver has got a phone in those where he is or she is,
and then Uber has this memory,
this brain, which is identifying that routing,
telling everybody how to get together, that's a system.
It's software above the level of the single device,
it's providing a whole lot of context without you
having to do a whole lot when you first - Uber does
a decent job of figuring out where you are,
maybe you have to correct it a little bit.
They have done a pretty good job of applying these principles.
But there is another principle that Uber brings up,
kind of a really interesting thing.
When you use Uber you're asked to rate the driver;
the driver is also asked to rate you as a passenger.
That's a really, really interesting thing and Uber is pretty ruthless
about weeding out people who get bad marks from their passengers.
Now you think about your experience of if - how many
people here have actually driven in a Uber?
Fair number, you have pretty good experience isn't it?
It's kind of one of those magical things like going into
a Square-enabled coffee shop or going into an Apple Store,
you go, wow, this is really good.
When you compare that to your experience with the cab driver,
you have the guy's playing loud music, he doesn't nowhere he's going,
all kinds of terrible experiences, you get an Uber driver does that,
they are out on their ear and you think about the
old-school way that taxi cabs are regulated,
well, we are going to test people,
we are going to figure out who is approved to do this,
Uber has actually done one better.
There may be some regulatory issues there that need attention,
but there is a lot of ways that we're starting to see
reputation systems that we're seeing on Internet application
starting to have a relevance in the real world.
And I think that's - I am not putting that as a principle,
I'm just asking it as a question,
I think it's one of the great interesting unanswered
questions in the government area.
But the lessons - my next lesson that I really wanted
to highlight from Uber is to close the loop.
What makes that Uber experience so different is
that you know when your cab is going to arrive.
When you - let's say, you want to go to the airport and you call a cab,
you never know are they going to show up,
are they close, did they forget,
you are standing on a street corner in the rain,
you don't know how long it is going to be,
think about Uber, you can sit in the restaurant,
you can sit in the coffee shop,
you get a text when the driver is outside.
Uber has closed the loop.
You want to know where they are,
you can actually look on the map and you can
watch their progress towards your location.
Uber has closed the loop.
And I got that framing from Chris Sacca,
who is an early investor in Uber,
he was also Google's Head of Special Projects for
a long time and say what he learned from Google is
to only invest in things that close the loop.
And I think that's a really,
really important principle and if you are doing a
start-up think about what loops you can change.
Another piece of how do you make things smarter,
so that you don't have these open ended systems where
you don't really know what you're going to get.