inline tweet
n. In an online article, a snippet of text deemed suitable for Twitter and so formatted as a special link that enables readers to easily post the text as a tweet.
Examples
2013
That’s why the arrival of the inline tweet — the readymade tweetable nugget, prepackaged, highlighted, and activated with a single click — is such a cause for celebration.
—Nicholas Carr, “Ambient tweetability,” Rough Type, September 04, 2013
2013
Any news organization can, like the Times, embed inline Tweets. This widget from Save Publishing, for example, makes it easy for readers to tweet lines from any webpage.
—Simon Rogers, “The New York Times tests a new Tweet feature,” Twitter Blog, August 27, 2013
2011 (earliest)
There are three parts to this article. The first are some key points and hilights (with convenient, inline tweet buttons).