“Think of Augmented Reality as half virtual and half real. It takes existing physical spaces and supplements or “augments” them with information, objects, actions or interactions.” Some applications include: Location based Restaurant finder with reviews Location based Travel points of interest Virtual pet for the iPhone Public transportation schedule and station finder Virtual objects you can interact with in the real world Look at the videos to see great examples: More @ Demystifying Usability
17 Ways How Search Engines Rank Pages
There are a lot of factors involved in the way how search engines rank pages: Internal vs. External Links Value of the Anchor Text Page Rank Trust Rank Domain Authority Geographical Location Link Type For the full list and explanation read SEOmoz
Tagging “@” friends on Facebook Status and Posts
Just as in Twitter: “Now, when you are writing a status update and want to add a friend’s name to something you are posting, just include the “@” symbol beforehand”. More here Via SEW