I often can't remember the name of a Drupal module I want to download and use. For example, I can never remember if I need to go to drupal.org/projects/google-analytics or google_analytics or ganalytics or whatever. I am also not satisfied with the search provided on drupal.org. So I figured out a way to put together a Search Engine in Google Chrome to do an "I'm Feeling Lucky" search on site:drupal.org/project. Here is the search string I used:
I've seen QR codes popping up in the last few months. When I first encountered it in the wild, I saw a 2-D barcode and thought why it was so prominent on the advertising. I've seen 2-D barcodes on other things such as my at&t bill that turns out to be some sort of reference number.