42 Computer programming; scientific and technological services; design and development of computers; design and development of software; computer programming; software installation; software development [design]; updating of software; maintenance of computer software; rental of computer software; computer rental; rental of web servers; conversion of computer programs and data, other than physical conversion; conversion of data or documents from physical to electronic media; providing Internet search engines; consultation with respect to software; consultation with respect to computers; duplication of computer programs; creation and maintenance of websites for third parties; technical project study; recovery of computer data; custom design of software packages; installation and maintenance of software; configuration of software; software development; maintenance and updating of software.