42 Design of computer information systems relating to finance; creating, designing and maintaining websites for others, not relating to dating, social networking or social introduction; development of computer platforms for brokerage houses; hosting internet sites for others, not relating to dating, social networking or social introduction; rental of computer software for financial management; providing information relating to computer technology and programming via a website, not relating to dating, social networking or social introduction; data encryption services; electronic document and e-mail authentication services for information, messages and data; hosting computer sites, not relating to dating, social networking or social introduction; development of computer platforms, not relating to dating, social networking or social introduction; electronic data storage, not relating to dating, social networking or social introduction; software development in the framework of software publishing, not relating to dating, social networking or social introduction; computer programming, not relating to dating, social networking or social introduction; rental of computer software for producing financial models for brokerage houses and brokers, not relating to dating, social networking or social introduction; computer programming of software for website development, not relating to dating, social networking or social introduction