Important Sencha Touch 2 concepts for the new developer

Getting started with Sencha Touch 2 is kind of a pain in the rump. Having gone through this experience over the last few weeks, I've found that it really helps if you know about some Sencha Touch concepts that are hidden in the Sencha documentation.

Without any further introduction, here are the concepts that I really struggled with.

Defining the Web 2.0 Look and Feel

I've been working on revamping my website about Alaska,, and in the process I was debating whether or not I wanted this site to have what I considered to be the "Web 2.0 Look & Feel". Just at that time I started wondering, "What is the Web 2.0 Look and Feel?", and I was wondering how I would define it.