Ad Targeting in Gmail Benjamin Silver CPSC 457 November 17, 2011Who can advertise • Must be family-friendly o Not obscene/pornographic o No hate speech o Nothing illegalWhat is viewed • Message • Header • Addressing information • "Internal" vs. "External" informationBasis for ads • "Concepts" o Not currently recorded by Google o Ads served also not recorded o Disturbs some usersWorkaround • "Catastrophic or tragic news" o Avoid insensitive advertising o Either eliminates ads, or makes them more generic § based on other targeted factors besides the emailhttp://homepage.mac.com/joester5/art/gmail.htmlAffiliation with other sites • AdSense/AdWords o Gmail "concepts" not stored, so not used by AdSense or AdWords o Reserves the right to do so • DoubleClick o Cookie sometimes used to serve ads in GmailPatents o United States Patent Application 20040059712: "Advertisers are permitted to put targeted ads on e-mails. The present invention may do so by (i) obtaining information of an e-mail that includes available spots for ads, (ii) determining one or more ads relevant to the e-mail information, and/or (iii) providing the one or more ads for rendering in association with the e-mail." o United States Patent Application 20040059708: "The relevance of advertisements to a user's interests is improved. In one implementation, the content of a web page is analyzed to determine a list of one or more topics associated with that web page. An advertisement is considered to be relevant to that web page if it is associated with keywords belonging to the list of one or more topics. One or more of these relevant advertisements may be provided for rendering in conjunction with the web page or related web pages." o United States Patent Application 20040093327: "Advertisers are permitted to put targeted ads on page on the web (or some other document of any media type). The present invention may do so by (i) obtaining content that includes available spots for ads, (ii) determining ads relevant to content, and/or (iii) combining content with ads determined to be relevant to the content."Privacy Concerns • Stored data o amount o duration • Profiles of users • May reduce reasonable expectation of privacy in emails o Relation to Spam Filters • Non-gmail users do not consentNew York Bar State Bar ethics decision • No REP on cell phones till 1986 (ECPA) • 1999: ABA allows use of email for privileged communication • Gmail o Humans do not read o Google functions as a contractor o No greater risk to REP or confidentialityWiretap issues • US (ECPA--Electronic Communications Privacy Act, 1986) o Governs interception of electronic communication o Only one party need consent o Must explain "essential nature" of access • California o cannot "willfully and without the consent of all parties reading/attempting to read or learn the contents or meaning of any communication while it is in transit or being sent from/received in California" • EU (Data Protection Directive) o Liability o Confidentiality o Persistence after account deletionConclusion • Does not lessen REP in email • May be legally questionable • May violate rights of some email (non-gmail) users, but not significantlySources http://epic.org/privacy/gmail/faq.html http://digital.law.washington.edu/bitstream/handle/1773.1/452/Raudebaugh,%206%20Wash.%20J.L.%20Tech.%20%26%20Arts%2083.pdf?sequence=3 http://mail.google.com/support/bin/answer.py?hl=en&answer=1304609#targeted_ads http://mail.google.com/support/bin/answer.py?answer=6603 http://www.google.com/intl/en/privacy/privacy-policy.html http://www.google.com/privacy/ads/privacy-policy.html http://homepage.mac.com/joester5/art/gmail.htmlQuestions?/Thank