Name: Saga (only available by invitation only and only for the USA currently)

Quick Pitch: Saga observes your real-world activity through the eyes of your mobile phone.

Genius Idea: After Saga has become familiar with your patterns of activity, it starts making personal recommendations.

We all have our daily routines — bus route, favorite coffee shop, the corner deli. Once habits are formed, they are difficult to break, even if there are better options out there.

via Is This App the Next Siri — or the New Big Brother?.