Merge pull request #747 from zpl1025/master

[Translating] Why The Linux Desktop Doesn't Matter Anymore
[Ubuntu]Daily Ubuntu Tips – Skype Minor Update Fixes PulseAudio, 64-bit Issues
[Translated] Daily Ubuntu Tips – Skype Minor Update Fixes PulseAudio, 64-bit Issues
Merge pull request #748 from geekpi/master

[Translated] Daily Ubuntu Tips – Skype Minor Update Fixes PulseAudio, 64...
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[translating] 10 Lesser Known Ubuntu One Features