Over the next few weeks we'll be reviewing a number of Web product categories on Read/WriteWeb, summarizing what's happened in 2007 - and what to look forward to in 2008. We're starting with the Web Office, a market that underwent a lot of changes this year. Our definition of Web Office is: A Web Office suite is a combination of productivity, publishing and collaboration features. A Web Office both embraces the functionality of desktop office suites (e.g. Microsoft Office) and extends it by using Web Native features. Probably the biggest change was that Google Apps ramped up this year, starting with the release of Google Apps Premier in February. And 2007 continued the trend of acquisitions in this market, which started in 2006 with the likes of Writely and JotSpot. In 2007 Yahoo acquired Zimbra and Google acquired a number of small startups - including GrandCentral (online telephony service) and Zenter (presentations software). The biggest disappointment of the year in