Startup Idea : My Number Tracker

It is tough to create a simple dashboard to keep track of numbers in my life. That too, tougher when multiple parties have to update that tracker on a mobile. most of the time i dont need any fancy tracker with all features [like say geckoboard, etc is an overkill]. I need a simple number tracker with a list of mini dashboards that updates numbers. My Number Tracker creates a dashboard in a zap, with a unique handle. Validated subscribers can contribute to this by addition/deletion