Three Tweets for the Web
http://www.wilsoncenter.org/index.cfm?fuseaction=wq.essay&essay_id=555218

Cowen, Tyler
Wilson Quarterly
2009

Abstract:

The relative decline of the book is part of a broader shift toward short and to the point. Small cultural bits—written words, music, video—have never been easier to record, store, organize, and search, and thus they are a growing part of our enjoyment and education. The new brevity has many virtues.