The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Search engines including Yahoo! and Google utilize a keyword auction for ranking the advertisements displayed around the search results. In existing keyword auctions called the GSP, the number of displayed advertisements (slots) is determined in advance. Therefore, we consider adjusting the number of advertisements
This work specifies m-commerce services, as a shape of e-commerce, and they are the most widespread used access channels, from point of mobile network operator view. Briefly are listed SMS, USSD, WAP and WLAN/WiFi and their main features. We paid special attention to security on these access channels, because it is one of the key matters for success of that kind of services.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.