".....Keep all of your workout data stored at Garmin Connect for comprehensive analysis. Garmin Connect presents your data in clear and easy to understand evaluation. Over the coming months we'll provide even more tools to help you optimize your training."
".....Export your activity for upload to other programs. From the Details page you can export a .TCX file for other fitness programs and .KML for Google Earth. From the Splits page you can export a CSV file with the details of your activity."
"...Put your favorite activities on your Facebook wall and let your Facebook community see what you're tracking."
ISACA offer another view....the fun, functionality and fear side of the data volunteerism that these applications and services encourage.
For a robust emergent ethic specific consideration - http://works.bepress.com/kmichael/7/