Twitter adds related story links to embedded tweets, but won't say how they're curated

In a bid to cement itself as the definitive real-time news commentary engine of the modern universe, Twitter has (smartly) decided to add a bit of context to embedded tweets. Increasingly, blogs and news sources are embedding tweets that relate to a story they're composing, but to date, those tweets have largely sat on their own island. Starting today, embedded tweets will include a "Related headlines" section beneath the original tweet, where you'll be able to view the tweet's permalink page as...