Tracking

beacon

http://pixel.quantserve.com/seg/p-6fTutip1SMLM2.js

GET /seg/p-6fTutip1SMLM2.js HTTP/1.1Host: pixel.quantserve.comUser-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13Accept: */*Accept-Language: en-us,en;q=0.5Accept-Encoding: gzip,deflateAccept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7Keep-Alive: 115Connection: keep-aliveReferer: http://www.huffingtonpost.com/2011/01/24/google-chrome-firefox-do-not-track_n_813189.htmlCookie: mc=4d441f48-a100a-1f66c-277f6; d=EM0BPAGBBoHxDBi6IIgwALhQnyAAiCD8sQmnDMQLEAC_UA

HTTP

beacon

HTTP

http://pixel.quantserve.com/seg/p-6fTutip1SMLM2.js

GET /seg/p-6fTutip1SMLM2.js HTTP/1.1Host: pixel.quantserve.comUser-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13Accept: */*Accept-Language: en-us,en;q=0.5Accept-Encoding: gzip,deflateAccept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7Keep-Alive: 115Connection: keep-aliveReferer: http://www.huffingtonpost.com/2011/01/24/google-chrome-firefox-do-not-track_n_813189.htmlCookie: mc=4d441f48-a100a-1f66c-277f6; d=EM0BPAGBBoHxDBi6IIgwALhQnyAAiCD8sQmnDMQLEAC_UA

observer eventidentifier

++ =observer eventidentifier

observer

First Party vs Third Party

First Party vs Third Party

commonly branded

document.domain

GLB definition?

dns aliasing

service providers ‘affiliate’

‘affiliates’

knowprivacy.org - top50 websites ~2009

identifier

unique identifiercookie

username / id

ip addr

fingerprint

analytics

fraud

conversion tracking/

profiling

unique identifier

identifier