Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
This is an app called Churn It Up, written in xCode. It is a small game where you shake your phone to churn butter and find cows to get more milk to continue your butter churning. It uses coreData, location services, compass, and accelerometer data.