A method of resolving mutations in a partially-loaded spreadsheet model includes loading onto a client computer a first chunk of a spreadsheet stored on a server, where the first chunk represents a first range of cells in the spreadsheet, and requesting a second chunk of the spreadsheet from the server, where the second chunk represents a second range of cells in the spreadsheet. A wireless transmitter is physically coupled with a subject. Each game option is associated with a game play presentation, with at least one game options being a live bingo game. An updated value for the particular counter is determined. The task metadata may be a part of the collaborative task and identifying the collaborative task as a part of a process.