The CIA is adopting Web 2.0 tools such as blogs and collaborative wikis, but not without a struggle in an agency with an ingrained culture of secrecy, CIA officers said Friday.

"We're still kind of in this early adoptive stage," said Sean Dennehy, a CIA analyst and self-described "evangelist" for Intellipedia, the US intelligence community's version of the popular user-curated online encyclopedia Wikipedia.

"There's a lot of cultural issues we have to encounter with bringing this kind of open source ethos into the intelligence community," Dennehy said during a panel discussion organized by the Washington office of Internet giant Google.

The Central Intelligence Agency analyst recalled Mahatma Gandhi's quote: "First they ignore you, then they laugh at you, then they fight you, then you win."

"We've been ignored,