Errors on the hard disk on your Mac OS X computer can be the cause why the computer doesn't run as fast as it used to. Let me show you how to check and repair the errors on a disk drive.
You may have noticed that Facebook ads a the location revealing your wheresbouts at the times you publish post. If you don't want other to know that, this is what you need to do.
The 1990s are marked by numerous events in the field of politics, economy and science. The decade is especially known by ascent of capitalism. Take this short quiz and check your knowledge about 1990s.