Cortana is still very much in beta and as such, we should expect from time to time some mishaps with the service.
Starting in the last few hours, Windows Phone users are complaining that Cortana is returning with a witty error message when retrieving interests, aka the personal news and weather information displayed to users upon launching. Specifically, Cortana responds with "My suggestion well is dry. Try back later or add some more interests." Likewise, when you ask Cortana a question, she may respond with "I'm sorry, the internet and I aren't talking right now." strongly suggesting that Microsoft is experiencing some server issues.
Full story from the WPCentral blog...
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