Well, Palm also had that perpetually in-the-works Linux based update that never seemed to materialize in shipping products...

Which is another similarity to Nokia, come to think of it.

I had worked in Motorola, our own Linux platform had been in the work for years to never see the light (but for some minor products). So Motorola rushed back to Symbian (!) while the market share was already plummeting.

Then came the cuts, which closed all software centers in Europe (mine included), when finally someone saw Android as the last ship.

And once HP bought webos, it's now as the hot new thing in the press.

Sometimes it's not about the technology, it's about the company. Meego was just a year away from being an awesome mobile OS. It, and it's predecessor Maemo, have been just a year away from saving Nokia since 2008.

Nokia already has at least two OS: symbian and meego. I'm not sure if mobline shouldn't be counted as well. As well Nokia has Qt.