] I would guess that Nicholas Felton is a pioneer in the work of personal analytics. He has been publishing an annual report since 2005 that includes the results of a number of reports that he tracks about his 'life'. The reports are published in a stylish 'infographic' format and provide a comprehensive and detailed overview of a 'persons'(his) 'activities' over a period of time,
*] the 'data' he uses is gathered with a custom built iphone app called "reporter" which surveys the user with a series of 8 questions at ?random? times. The app also gathers background data when the surveys are being completed that attach additional data like date/time, location, etc.