Providing application software, and providing information thereon; provision of the programs for computers and electronic information terminals provided through communication networks, and providing information thereon; providing computer programs, and providing information thereon; design, programming, creation and maintenance of computer programs and websites; technical advisory services relating to performance, operation of computers and mobile telephones that require high levels of professional knowledge, skill and experience of the operators to meet the required accuracy in operating them; rental of computers; rental of web servers; rental of storage area of the servers for social networking through the Internet, and providing information thereon; rental of storage area of web servers; cloud computing