Sad to hear, as I had discovered them recently and was interested in the problems they were tackling. I guess this isn't a complete surprise, with their Twitter account looking inactive as of late.
Wow, not such a sad ending after all. It looks like they got acquired by Apple for between $40 million and $60 million; no wonder their shut down message on their website didn't state that they ran out of money or something. http://techcrunch.com/2013/10/03/cue-acquired-for-over-40m-l...