Twitter gives government agencies in the United States at least some of the information they ask for on users 69 percent of the time.
That data and much more about how the social network responds to government requests for user information, as well as demands to remove tweets and reports of copyright violations was part of Twitter's second so-called transparency report, which it issued today "in celebration of" Data Privacy Day. Google issued such a report today as well.
Source: CNet. Read full article. (link)