Google is Microsoft's biggest competitor currently, vying for dominance in a lot of the same spaces. And I think competitions are good for users.Google announced on 17th april,Tuesday on it's Corporate Blog that it has acquired Tonic Systems, which specializes in collaborative presentation software. It will be adding presentation software to its Google Apps suite of office software. Due this summer, it will complement the word-processing and spreadsheet software Google has already released. Users of the Web-based Google Docs & Spreadsheets software can log in from any computer through a Web browser and collaborate, making simultaneous edits and changes to files.This will enable to generate and share presentations.