Central direction may be needed, but it should come from a credible professional source rather than from a "here today, gone tomorrow" secretary of state.
Using a combination of software and human editing, SportStream curates game-related social media posts from sports writers, superfan-bloggers and data from other professional sources.
Epicurious contains tens of thousands of recipes from the original Epicurious Web site, coming from what the makers say are professional sources.
Fifteen years after the autobiography was published, and flopped, Ritz published an unauthorized biography, filled with material that he had accumulated over time from intimate personal and professional sources.
(UPDATE: The iPhone does link to lots of YouTube video and other video in Apple's Quicktime format, there is a great deal of video, especially from professional sources, only in Flash that it can't play).
A couple of relatives who were Facebook friends had asked about my sexuality and, at that time, at least, I didn't want all my professional sources to know that I am gay.
"The last year or so has seen, to my eye, a blossoming of comedy podcasting from more professional sources," Mr. Simpson said, noting that he was not speaking as a representative of iTunes.
Over time, however, he found that the enormous response that his work engendered offered access to "a huge amount of valuable information"––information that was not always available to mainstream reporters, who tended to deal largely with what Marshall terms "professional sources".
Use of professional sources of information was an important factor that is linked with increased parents' knowledge.
