主权项 |
1. A method to monitor online activity, the method comprising:
collecting, at a first server, first uniform resource locators from a first client device, the first client device having a meter; collecting, at the first server or a second server, second uniform resource locators from a second client device, the second client device not having a meter; determining, with a processor, that ones of the second uniform resource locators from the second client device correspond to online activity of a user associated with the first client device based on ones of the first uniform resource locators matching at least portions of the ones of the second uniform resource locators; and associating, with the processor, the second client device with the user of the first client device. |