This is by no means a new idea (in fact it's rather old in mobile terms) but is still a useful way to categorise user tasks, particularly on mobile. Google have previously split users into three types of user behaviour: repetitive now, bored now, and urgent now...
The “bored now” are users who have time on their hands. People on trains or waiting in airports or sitting in cafes. Mobile users in this behavior group look a lot more like casual Web surfers, but mobile phones don’t offer the robust user input of a desktop, so the applications have to be tailored.
The “urgent now” is a request to find something specific fast, like the location of a bakery or directions to the airport. Since a lot of these questions are location-aware, Google tries to build location into the mobile versions of these queries.'
A lot has changed since this was originally written about, but the fundamentals of the type of behaviour that you're trying to design for still hold true, albeit with data now playing a far greater role in creating experiences that are tailored to each different need.