9 Computer software, software for automatic adjustment of prices, software for dynamic creation of prices (dynamic pricing), pricing software, software for automatic adjustment of price ranges; software for managing product information, in particular regarding electronic catalogues and Internet trade; software for multichannel online marketing, in particular for displaying of marketing, online marketing, adjustment of keyword marketing, price searching and comparison portals, market advertising, shopping portal marketing, cashback marketing and business marketing for mobile devices and of electronic databases (software); optical, magnetic and electronic data media.