2. But there is a lot of Technology to Absorb… PC Era 1980 - 1990 File Systems PC’s USENET Email Desktop Windows MacOS File Servers Databases SQL Web 1.0 1990 - 2000 World Wide Web Websites HTML HTTP Java Flash Javascript Keyword Search Web 2.0 2000 - 2010 Wikis Social Networking SaaS Weblogs Office 2.0 RSS AJAX Semantic Web Web 3.0 2010 - 2020 The WebOS Semantic Search Mashups Widgets Distributed Search Intelligent personal agents Web 4.0 2020 - 2030 Semantics of Information Connections Semantics of Social Connections Source: Radar Networks & Nova Spivak