Someone considers that it is waste of time, and others celebrate a wedding with soulmates who were found on the Internet. With confidence it is possible to tell only one: the popularity of dating sites grows day by day. The explanation for it is simple: in such a way it is possible to communicate with people from any country, any age and the status, and so — to increase many times chance to find the person with similar interests and tastes. Whether an online acquaintance has a chance to develop into the strong relations? For certain many heard from familiar a story about how they have found the partners or already spouses on the Internet. And, not necessarily it has occurred on special portals for the search of the couple — someone has liked a photo of the pleasant person in a social network or has begun correspondence in a messenger. The fact remains: people have got acquainted online. The Internet was strongly included in our life: here people both work and have a rest — so why not to use it for the search of the partner in life? The efficiency of acquaintances on the Internet is confirmed by a number of experiments. For example, research of the British psychologist Jeffrey Gavin. As the volunteers helping the scientist to estimate the efficiency of Internet acquaintances young people, ready to the serious relations, aged from 19 up to 26 years have acted. Their task included registration on a dating site for the purpose of a search of the partner. At the end of an experiment 72% of participants have continued close communication already in real life, and part of them have even got married subsequently. The statistics show… … that more than a third of users of the Worldwide network at least once used services of dating sites. Daily more than one and a half million people spend on similar portals 4 hours and more. At the same time men and women on the websites are registered approximately equally.