Why isn't Apple's BTLE example code working?

Why isn't Apple's BTLE example code working?

References

Reference NO 1

http://stackoverflow.com/questions/15188187/why-isnt-apples-btle-example-code-working

Reference NO 2

http://stackoverflow.com/questions/15373743/tracking-a-moving-device-using-btle

Reference NO 3

http://stackoverflow.com/questions/15676516/btle-sample-app-now-working-from-iphone4s-to-ipad

Reference NO 4

http://appleinsider.com/articles/13/06/19/inside-ios-7-ibeacons-enhance-apps-location-awareness-via-bluetooth-le

Reference NO 5

http://www.forbes.com/sites/haydnshaughnessy/2013/04/12/these-3-game-changers-define-the-apple-vs-samsung-battle/

Reference NO 6

http://e2e.ti.com/thread/192593.aspx

Reference NO 7

http://blog.bluetooth-smart.com/2011/10/05/bluetooth-low-energy-development-kits-2/

Reference NO 8

http://www.telegraph.co.uk/technology/apple/10179621/Apple-gears-up-for-iWatch-battle.html