A social network is a type of Internet service, which usually occurs in the form of a platform, a window or a web page. This is the Internet space, which is used to interconnect users. The Internet is a publicly available global data network or as some call "network of networks" that links together computers and computer networks using the same name protocol (IP = Internet Protocol). Founded in 1969 in the United States by the US Department of Defense and called the ARPANET. The discovery of the World Wide Web 1989/90. made it possible Internet experience global expansion around the globe. Today, the Internet served nearly 3 billion people. Web portal is a place of access to information that makes it different, logically related applications that are common to multiple users. Since the nineties, thanks to the growth and development of the Internet, many companies have worked hard to establish, purchase or acquire its own portal, in order to gain share in the total profits of the market on the Internet. Barcode is a way of labeling the product a series of dark and light line that is machine-readable, and therefore useful in the process of identifying products. Patented in 1952, and in commercial use came in 1966. Today, the bar-code a važnojih element in business processes of the global economy. Very often in a linear bar code and QR code. Banks must constantly monitor the needs of their clients in order to be competitive and other participants in the market. They have to carry out strategic planning of future steps of development of Internet banking, which will be separate from the competition, you also have to maintain the quality of services, as in the current business and future.