> What I meant by "open" was that anyone with any kind of computer that has a reasonably modern browser can access and use a 37signals application. You don't ne

> What I meant by "open" was that anyone with any kind of computer that has a reasonably modern browser can access and use a 37signals application. You don't need a special proprietary application or framework running on your own device to do this. And I need Windows to run Steam, and I need a Mac to run iPhoto. You're suggesting an absurd fantasy wherein everything runs on everything. If I want "open" by your definition of "it's on the Internet" on the iPhone, I go to the Internet.