It's hard to predict future

Joel Spolsky wrote in 2004 - "Here are a few examples of things you can't really do well in a web application:

1. Create a fast drawing program


2. Build a real-time spell checker with wavy red underlines


3. Warn users that they are going to lose their work if they hit the close box of the browser


4. Update a small part of the display based on a change that the user makes without a full roundtrip to the server


5. Create a fast keyboard-driven interface that doesn't require the mouse


6. Let people continue working when they are not connected to the Internet"

OK, that was just 3 years ago and it's amazing what we managed to achieve.