Amazon, Google, and the Wall Street Journal have all now modified their applications  on the Apple App Store in response to signals by Apple that it will be stepping up enforcement of its royalty policies, as was discussed by the Silicon Valley IP Licensing Law Blog in its recent blog post:

http://www.siliconvalleyiplicensinglaw.com/amazon-google-wall-street-journal-move-to-modify-applications-on-apple-app-store/

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Is the Kindle 2 audiobook text-to-speech feature infringing book author copyrights?  The Silicon Valley IP Licensing Law Blog explored the controversy and Amazon’s attempt at resolving the issue in the following blog post:

http://www.siliconvalleyiplicensinglaw.com/anticipating-likely-copyright-battle-amazon-backs-down-over-kindle-2-audio-feature/