All data of users of the pages collected either during registration or contests are considered as personal and are protected in accordance with the law 101/2000 Sb on Protection of personal data. The operator commits not to transfer visitors' personal data to third party.

Registered visitor can cancel his/her registration at anytime. It can be performed through registration form after logging in protected area of the web pages. The cancellation of registration means removal of users' personal data as well as loss of all related preferences.

Some of visitors' data are collected automatically for statistical purpose while browsing the pages such as IP address, operational system, browser version, and resolution of PC monitor. Those data are used subsequently for statistical analyses processing and the web pages developing.

Some parts of the web pages use for identification files called "Cookies". Those are collections of information stored on the local computer of a visitor of the web pages. Those files are used mostly by concrete server which can identify the visitor who has already browsed the web pages. At the same time Cookies allow following his/her behaviour and better targeting advertising campaign. Cookies are not programmes that can cause damage to visitors' computers.  Most internet browsers allow banning the use of cookies. However, web pages requiring "Cookies" may not always work properly after being rejected by a browser.