13. Current ranking in 2009 2008 2007 TOOL # Votes Name Platform Cost 1 11 43= Twitter Microblogging tool O F 159 2 1 2 Delicious Social bookmarking tool O F 95.5 3 18 22= YouTube Video sharing site O F 79.5 4 3 7= Google Reader RSS / Feed reader O F 79 5 7 14 Google Docs Office suite O F 78.5 6 5 6 Wordpress Blogging tool O F 69 7 20 31= Slideshare Hosting presentations O F 64 8 6 3= Google Search Web search tool O F 56
14. 9= 12 11 Audacity Sound editor and recorder W M F 54 2 1 Firefox Web browser and extensions W M F 54 11= 16 31= Ning Social networking platforms O F/C 49 4 3= Skype Instant messaging/VoIP W M F/C 49 13 8 5 PowerPoint Presentation software W M C 47 14= 10 9 Blogger Blogging tool O F 45 9 12= Moodle Course mgt system S F 45 16 17 17= iGoogle Personalised start page O F 37.5 17 13 26= Wikipedia Collaborative encyclopedia O F 36
15. 18 15 16 flickr Photo storage/sharing site O F 35 19 23 101= VoiceThread Collaborative slideshows O F 33 20 26= - Jing Screen captures/ casting tool W M F/C 30.5 21 14 7= Gmail Web-based email O F 30 22= 27 17= Adobe Captivate Demo and scenario tool W C 29 35= 72= diigo Social annotation site O F/C 29 24 25 22= Articulate Presenter/Engage/ Quizmaker W C 27 25 21 26= SnagIt Screen capture tool W C 26.5 26 26= 50= Camtasia Studio Screencasting tool W C 25.5 27 - - Evernote Note taking tool O F 25
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Notas del editor
Since its creation in 2001, Wikipedia has grown rapidly into one of the largest reference Web sites, attracting at least 684 million visitors yearly by 2008. There are more than 75,000 active contributors working on more than 10,000,000 articles in more than 250 languages.