2003 Launch Social networking website Hi5 launches.[6]
2003 Launch Another business-oriented social networking website, XING, launches. This service is more popular in Europe.[17]
2003 Launch Myspace, one of the most popular social networking sites ever, launches.[18]
2003 Launch Skype, a very popular instant messaging and video/voice calling service (VoIP), launches (4h 24min, jan 2, 2003 y – 16h 13min, mar 22, 2003 y)