The aspect of competitive online gaming that will be discussed is straferunning. Strafrerunning is simply running sideways. For those of you who play FPS games on the PC, this can be achieved by pressing, for example, the left and right key while moving your mouse to the right. For those of you who play games on say the PS3, this can be achieved my using the left and right thumb sticks. Here is a visual of the vector addition used in straferunning.