"Cookies" are text files saved by the browser of the user's computer in order to store information allowing to identify the user or save the history of user's activity on the site. "Cookies" are employed for user identification and correct linking of data collected during the user's previous visits. Detailed information about disabling such files can be found in the Help section of most browsers.

We recommend keeping this function enabled, as it helps the user make the most of the site's functionalities. We also use Google Analytics system to count site visitors and to evaluate its technical capabilities. Such information is used for learning how many people visit our website, so that we can design the service in a user-friendly way, making it even more intuitive and useful. This data is collected automatically – it cannot be modified or deleted.