The ReTweet is, in terms of a growing number of indexing sites like Topsy, the equivalent of an upmod vote or endorsement of the post as has been practiced by Digg or Reddit: basically, if one prepends "RT" to the prior poster’s username, the content of the repost and the associated shortened URL to the external site, Topsy interprets the RT as an endorsement of the reposted content and the full URL. 

So the "DeTweet" was introduced as a concept by various posters as being the opposite of the ReTweet last year, one that has not yet been credibly created or fleshed out for mass consumption or indexer use. Basically, instead of "RT" next to an associated post, a DT would be prepended in order to indicate dislike.

But what does that mean? Continue reading DeTweet or DownTweet: How? →