It will also re-launch with a few new games, chief among them being Baldur's Gate.
Microsoft is launching with a few new apps built on the SDK, including ones from BestParking.com, Everyscape, and Weatherbug.
The service has launched with a few guides: Dragon Age: Origins, Just Cause 2, Battlefield: Bad Company 2, Left 4 Dead 2, and Splinter Cell: Conviction.
That said, there is some clear momentum, at least on the doctor side: New York launched with a few hundred appointment slots, DC opened with 21,000 and San Francisco doctors have already posted 100,000 openings.
The company also revealed that its On Demand service reached a total of 18 billion views, this year (that is: the total number of views since the service was launched with a few hundred choices back in 2003).
But the system appears to have launched with a few flaws.
Scots with an interest in Trinity Mirror's new national title, the New Day, will be hard-pressed to find a copy at launch, with only a few thousand being made available – and only in Edinburgh.
Book readings, interviews, and news radio are coming to Facebook thanks to its new Live Audio feature launching today with a few publishers and authors before opening up next year.
A new version of Waygo's Chinese menu translator app is already in the works and will launch in a few weeks with multiline translation, a new design and better translations that offer more general context.
The desktop service will launch in a few weeks time, with the mobile component to follow.
Artists can sell in both places, and Handmade at Amazon, which launched with just a few thousand sellers, is surely hoping to encroach on Etsy's stable of more than a million.
