Touchscreen technology and devices that use that technology have become widely popular over the past few years. Even so, very small amount of people knows that there are different technologies implemented in those devices that they use in everyday life. Through this seminar, we would try to present the different solutions currently available on the market.Simultaneously, we will compare between those solutions, emphasizing on differences between those technologies, and making the differences between them more obvious and understandable. Later, we will give our opinions on market trends in the future, and our vision and conclusion about this topic. full topic: http://www.slideshare.net/mshirif/touch-screen-technologies