Google has announced that its next developer conference - Google IO - will take place from May 15 to May 17 2013, a month earlier than 2012's June dates. Given that Google announced Android 4.1 Jelly Bean at 2012's IO conference, it's not unreasonable to expect to see Android 5.0 at this year's event.
“keep this away from water” Almost every electronics device contain this caution. And its one of the major problem of mobile phones of using it in different situation. The hope is that the leading mobile phones company is working with this. May be this year will see a better solution. P2i, HzO and Liquipel are all competing for commercial clients interested in making their laptops and mobile phones fully submersible. 
It is said that some mobile makers are thinking about fingerprint security. Eye retina scan makes the extreme security to the device. Those locks are so strong that never open without users eye scan or finger print.
 
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