If you are a camera or computer user, you may come into an occasion in which someone accidentally deleted or formatted your files in SD card or hard drive. Next thing you know is that your drive becomes empty. Do not panic! There are many ways to restore them completely FREE, even they are no longer seen in Recycle Bin or the drive itself.
Google PageRank (PR) and Alexa should be no stranger for bloggers and techy people, Good ranking promotes your site. While Google PR never been updated since Feb 2013, more bloggers are focusing on Alexa ranking, which is updated daily. This article shows you how Alexa works and how to install its toolbar and widget to improve your Alexa ranking.
If you are using Finder in OSX, you will find that their files structure is too clean. In fact, most of the system folders and files are hidden from normal user. There are occasions in which you may need to access system file (e.g. edit host file). The following simple steps show you how to unhide/hide system files in OSX using Terminal.
With the recent announcement of free OS X Mavericks, many MacBook users will surely upgrade their OS without any hesitation. The easiest way is to just go to "Software Update" and download the 5GB+ installer and upgrade from there. Personally, I prefer to fresh install Mavericks as I have phobia since Windows era such that things will get slower the longer you use your current OS and the best solution is to start everything from fresh. With a flash card and a software tool, you can do so for Mavericks as well.
Since I started using PC, I had helped countless persons in fresh reinstalling their Windows due to various problems (e.g. virus attacks, corrupted hard disk, slow system, etc). Of course, Windows will not be perfect without some essential software. Other than Microsoft Office which is a commercial product, I usually help them install some lightweight freeware which can be useful for their daily usage.