Have you seen this image?

This is a QR code, or in others words a type of bar code.
Most current mobile phones can read this code with their camera. All you have to do is having a camera phone equipped, and with the correct reader software you can scan the image of the QR code. For [...]

What is twitter?
Twitter is without a doubt the best way to share and discover what is happening right now…  It is easy and friendly to use. It is also an excellent tool to do business, friends and networks, and allows to write quick short messaging (until 140 characters) without the pressure of a response that [...]