That's where I get caught up. At the moment it's very hard for me to imagine all the makers of web apps agreeing upon such things. But at the same time, I can't

That's where I get caught up. At the moment it's very hard for me to imagine all the makers of web apps agreeing upon such things. But at the same time, I can't imagine a future where apps can't swap data with the ease they could on the desktop.