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Wednesday, April 6, 2011

I think I’m having a Gene Amdahl moment (http://goo.gl/7v4kf)

[This post is by Andy Rubin, VP of Engineering —Tim Bray]

Recently, there’s been a lot of misinformation in the press about Android and Google’s role in supporting the ecosystem. I’m writing in the spirit of transparency and in an attempt to set the record straight. The Android community has grown tremendously since the launch of the first Android device in October 2008, but throughout we’ve remained committed to fostering the development of an open platform for the mobile industry and beyond.

We don’t believe in a “one size fits all” solution. The Android platform has already spurred the development of hundreds of different types of devices – many of which were not originally contemplated when the platform was first created. What amazes me is that even though the quantity and breadth of Android products being built has grown tremendously, it’s clear that quality and consistency continue to be top priorities. Miraculously, we are seeing the platform take on new use cases, features and form factors as it’s being introduced in new categories and regions while still remaining consistent and compatible for third party applications.

As always, device makers are free to modify Android to customize any range of features for Android devices. This enables device makers to support the unique and differentiating functionality of their products. If someone wishes to market a device as Android-compatible or include Google applications on the device, we do require the device to conform with some basic compatibility requirements. (After all, it would not be realistic to expect Google applications – or any applications for that matter – to operate flawlessly across incompatible devices). Our “anti-fragmentation” program has been in place since Android 1.0 and remains a priority for us to provide a great user experience for consumers and a consistent platform for developers. In fact, all of the founding members of the Open Handset Alliance agreed not to fragment Android when we first announced it in 2007. Our approach remains unchanged: there are no lock-downs or restrictions against customizing UIs. There are not, and never have been, any efforts to standardize the platform on any single chipset architecture.

Finally, we continue to be an open source platform and will continue releasing source code when it is ready. As I write this the Android team is still hard at work to bring all the new Honeycomb features to phones. As soon as this work is completed, we’ll publish the code. This temporary delay does not represent a change in strategy. We remain firmly committed to providing Android as an open source platform across many device types.

The volume and variety of Android devices in the market continues to exceed even our most optimistic expectations. We will continue to work toward an open and healthy ecosystem because we truly believe this is best for the industry and best for consumers.

Monday, April 4, 2011

Indoor Positioning -Cloud Support for Location Apps?


Indoor Positioning Systems (occasionally referred to as IPS) are hotting up...Navteq recently announced the launch of their Destination Maps service enabling "orientation, guidance and routing for interior spaces"
According to Navteq, Destination Maps "moves the industry beyond the interactive floor plan maps available today and into a three-dimensional data model essential to a more advanced exploration and guidance experience.  It does this by providing pedestrian-specific attributes unique to interior requirements like stairs and elevators as well as recognizing different floor levels (called Z-levels) that are essential for applications to "understand" movement between floors once inside a venue and generate routes and guidance.  NAVTEQ Destination Maps also include a Virtual Connections feature that enables more intuitive guidance by recognizing how pedestrians "cut across" open areas."
Hopefully, the NAQVTEQ development will come hand in hand with more widespread deployment of Femto cells within buildings, to get over those annoying network black-spots that still plague mobile subscribers in certain areas.
A number of location start-ups are looking to capitalize on the promise of indoor location, including Dubai-based GloPos and Swedish start-up Qubulus.
Qubulus co-founder Frank Schuil recently contributed to an article for TheNextWeb explaining where indoor positioning can benefit the current application market the most. Here are a couple of ideas from that article suggested by Frank:
1. Airport apps
In this case indoor positioning can benefit all parties. Consumers can meet other travelers in their proximity, get point of sales notifications from the shops in the airport and know how long it would take to walk to the gate based on their current position.
The airport can monitor the mobile traffic for crowd control, staff management and alerts and the airlines can locate passengers giving them a push notification to start walking towards the gate just in time to prevent delays.  There are already some nifty mobile apps out there that could easily extend their service this way like GateGuru and American Airlines’ recently released Android app.
2. Point of sales apps

Location-based coupons in one way or another have always been the holy grail of the LBS industry. To be able to target a consumer with the right message at the point of sale can drastically improve the ROI of any marketing campaign.

The problem to date is that shops are often inside malls and that products are always indoors. Without indoor positioning the point of sale has proven to be too distant for people to act upon the offer. To get people to buy into an offer indoor positioning needs to drop down to <1m accuracy and become a commodity that existing services can seamlessly integrate into their service to trigger the consumer in the physical space. As a reminder to those who see the possibilities of trigger marketing; the key is not to be as intrusive as the  mall screens in the Tom Cruise movie hit Minority Report.
One of the traditional issues with IPS was the need for building owners (such as shopping mall owners) to make an investment in (expensive) transmitting technology. New technologies based on hybrid positioning, smarter algorhythms and cloud-based infrastructure could take IPS beyond it's current niche markets.

Friday, April 1, 2011

The IO Ticket Contest

When Google I/O sold out so fast, were kicking around ideas for how to get some of our ticket reserve into the hands of our favorite people: Dedicated developers. Someone floated the idea of a contest, so we had to pull one together double-quick. You can read the questions and first-round answers here.

We thought you would enjoy some statistics, mostly rounded-off:

  • 2,800 people visited the contest page.

  • 360 people tried answering the questions.

  • 1 person got all six right.

  • 200 people did well enough to get into Round 2.

  • 70 people submitted apps.

  • 38 of the apps worked well enough to be worth considering.

  • 10 apps (exactly) got a “Nice” rating from the first-cut reviewer.

While we’re doing numbers, let’s investigate which of the Round-1 questions were hard. In decreasing order of difficulty, identified by correct answer, we find: Dalvik (97.5% correct), 160 (96%), Looper (58.5%), LLVM (57%), fyiWillBeAdvancedByHostKThx (43%), and PhoneNumberFormattingTextWatcher (19.5%).

So, our thanks to the people who put in the work, and a particular tip of the hat to the deranged hackers er I mean creative developers who built three particularly-outstanding apps:

First, to Kris Jurgowski, who pulled an all-nighter and wrote a nifty little app... on a Motorola CLIQ running Android 1.5! Next, to Heliodor Jalba, whose app had some gravity-warping extras and was less than 11K in size. And finally, to Charles Vaughn, whose app included a hilarious “Party Mode” that brought a smile to everyone’s face.

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