Mac OSX hints resources

Here are the resources of many hints you would to know about your Mac:

macosxhints.com
macworld.com
http://mac.appstorm.net/roundups/utilities-roundups/40-super-secret-os-x-lion-features-and-shortcuts/
http://computerlearnhow.com/list-of-97-mac-os-x-keyboard-shortcuts
Useful utility CheatSheet: http://itunes.apple.com/us/app/cheatsheet/id529456740?mt=12

Why there is no update for Android 4 for HTC HD

Read the article "HTC: Desire HD to stay on current software, no ICS update" about why there is no update for Android 4 for HTC HD.

Mac OSX Central Update Manager Alternative

There is no Central Update Manager on Mac as it is on Linux. If you want something like that you can use 3rd party application AppFresh as its alternative. It will update 99% of your soft.
Download AppFresh here http://osx.iusethis.com/app/appfresh