After bashing on Govbook, here comes SpacebookAndrea DiMaio
"The main limitation of an environment like Spacebook is that it creates artificial boundaries around the individual: users can network only with colleagues, but experiences in social media in all industry sectors show that the value is most likely created at the intersection between corporate, professional and personal networks. The reassuring element in this case, though, is that the Nasa Goddard CIO seems very well aware of all this. She told me: "The bottom line is that collaboration and connections are so important in my opinion to an enterprise, anything that reduces the barriers to entry is good.". NASA already has a presence on external networks: the real question is whether, when and how those two worlds will become one. I'm pretty sure she will be actively looking forward to that."