Here I will update with some of the articles and stuff that I am currently researching or interested in.
Google base data API provides starting point of Google API implementation to postprocess the data and present them in such a way. This tool can be used to create such a useful list of items.
Wow, one of my friend forwarded this to me. This is google code search where you can find any reference code that are in the web. This is going to be so useful! O.O!