42 Design and development of computer software, namely, computer software for recognition, decoding, and conversion of text, symbols, written content, and visual content in the nature of e-mails, SMS messages, and MMS messages to voice and audio content, computer software for recognition, decoding, and conversion of voice and audio content to text, symbols, written content, and visual content in the nature of e-mails, SMS messages, and MMS messages, and computer software operated by vocal instructions and commands for operation of technology systems, computers, laptops, tablets, cellphones, smartphones, and downloadable software applications; design and development of computer hardware, namely, computer hardware for recognition, decoding, and conversion of text, symbols, written content, and visual content in the nature of e-mails, SMS messages, and MMS messages to voice and audio content, and computer hardware for recognition, decoding, and conversion of voice and audio content to text, symbols, written content, and audio content in the nature of e-mails, SMS messages, and MMS messages; design and development of downloadable software applications for technology systems, computers, laptops, tablets, cellphones, and smartphones, downloadable software applications for recognition, decoding, and conversion of text, symbols, written content, and visual content in the nature of e-mails, SMS messages, and MMS messages to voice and audio content, downloadable software applications for recognition, decoding, and conversion of voice and audio content to text, symbols, written content, and visual content in the nature of e-mails, SMS messages, and MMS messages, and downloadable software applications operated by voice instructions and commands; design and development of content and information management systems for computers, laptops, tablets, cellphones and smartphones; computer design and development services relating to computer software, computer hardware, downloadable software applications and computer systems services; technical support services, namely troubleshooting problems of computer software, computer hardware, downloadable applications and computer systems