Table 5.

Word frequency for microblogging, cloud computing, social bookmarking/document sharing, and syndication categories.

Micro blogging		Cloud computing		Social Bookmarking/ document sharing		Syndication
Word	n	Word	n	Word	n	Word	n
Twitter	205	cloud computing	209	YouTube	89	podcast	69
Tweet	73	Amazon	33	Tag	31	RSS	56
micro-blogging	31	CloudLCA	6	social bookmarking	29	syndication	37
Weibo	12	CloudMan	3	Tagging	13	podcasting	11
Tweeting	6	SurveyMonkey, Netvibes, CloudBioLinux, GeoCommons	2	Folksonomy	11	uBioRSS	2
iScience	3	CloudBurst	1	video-sharing	4
micro-blog	2			Delicious	3
				Digg, CiteULike, Slideshare	1
Total	332	Total	260	Total	183	Total	175