As noted by Logan Browne
macosxhints - Get the most from X!
Display last-connected-iPod's serial number in iTunes... use the following command [in Terminal]:defaults read com.apple.iPodThe plist includes information not only about the last iPod connected but all the iPods and their most recent connection dates.
Devices = { 000A270002024E3E = {Connected = 2004-07-28 11:01:54 -0500;
“Family ID” = 1;
“Firmware Version” = 287;
ID = 000A270002024E3E;
“Serial Number” = [redacted, cause you just never know - though now Google knows, even though my aunt now uses this model];
“Software Version” = 21004288;
“Updater Family ID” = 1;
“Use Count” = 107;
000A27000258C632 = {
Connected = 2005-07-10 20:52:09 -0500;“Firmware Version” = 309;
ID = 000A27000258C632;
“Serial Number” = [redacted, cause you just never know - though now Google knows. Not sure whose pod this is. Maybe D's?];
“Software Version” = 36732928;
“Use Count” = 2;
};
000A2700027DF8BA = {
Connected = 2006-01-22 17:34:02 -0600;
“Family ID” = 4;
“Firmware Version” = 318;
ID = 000A2700027DF8BA;
“Serial Number” = [redacted, cause you just never know - though now Google knows];
“Software Version” = 51478528;
“Updater Family ID” = 4;
“Use Count” = 185;
I'm not sure how long the “Use Count” has been tracked, but my original iPod was probably plugged in more than 107 times (since the battery life wasn't so good).