"The space agency has more than 1,500 public-facing websites and 2,000 intranets, extranets and applications, and the agency's data offerings and holdings are huge. "These guys have probably the most expansive list of Web assets," Ananthanpillai said. "That's one of the reasons why everyone's looking at them for lessons learned.""
"So, NASA is paying to maintain two MSL websites and the web addresses they give out are different than the actual web addresses - but they won't bother to put the actual addresses in press releases. Meanwhile, NASA is paying for 2 (or 3) MER websites - and again the links put in the press release are not the actual website address."