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在Expedia上订了一张美联航的机票。支付宝，其他航空公司的机票广告就来了，为什么？
订完票以后一天各种航空公司的精准投放广告就开始轰炸我的邮箱了，甚至包括支付宝（全程没有支付宝参与）Expedia也出卖客户信息吗？机票是在加拿大订的加拿大往返美国的，用Facebook登陆的Expedia，信用卡是招行的，联系邮箱Gmail，同时也是支付宝的登录邮箱。Facebook邮箱OutlookFacebook，Google半个月前刚更改密码，电脑里没有安装任何厂商的全家桶，所有软件都是官网下载（软件也很少）全部正版，可疑软件都在Sandboxie里运行，手机是Windows Phone，iPad也接收了邮件。哪个环节最有可能出卖客户信息？是招商银行还是Expedia。以前在别的航空公司官网用国外信用卡订票，没发生过这种情况。
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读一读Privacy Policy就知道了：
With whom we share your information
This website may share your information with the following entities:
activity providers, who fulfill your travel reservations. Throughout
this site, all services provided by a third-party supplier are described
as such. By making a reservation through this site, you are authorizing
us to disclose to suppliers the information required to complete the
booking and deliver the related travel. These suppliers are not
controlled by Expedia and personal information disclosed to them is
subject to the applicable supplier’s privacy policy and security
practices. Therefore, we encourage you to review the privacy policies of
any travel supplier whose products you purchase through this site.
on our behalf, including credit card processing, business analytics,
customer service, marketing, distribution of surveys or sweepstakes
programs, and fraud prevention. We may also authorize third-party
vendors to collect information on our behalf, including as necessary to
operate features of our website or to facilitate the delivery of online
advertising tailored to your interests. Third-party vendors have access
to and may collect information only as needed to perform their
functions and are not permitted to share or use the information for any
other purpose. They are also required to follow the same data security
practices that we ourselves adhere to.
products or services, or whose products or services may be offered on
our website. You can tell when a third party is involved in a product
or service you have requested because their name will appear, either
alone or with ours. If you choose to access these optional services, we
may share information about you, including your personal information,
with those partners. Please note that we do not control the privacy
practices of these third-party business partners.
website from another site (for example, through a link you clicked on
another site that directed you to this one), we may share some
information about you with that referring website. We have not placed
limitations on the referring websites use of your personal information
and we encourage you to review the privacy policies of any website that
referred you here.
your personal information with our parent company and corporate
affiliates, including Hotwire and hotels.com, as well as international
corporate affiliates such as Expedia.co.uk. This sharing enables us to
provide you with information about products and services, both
travel-related and other, which might interest you. To the extent that
our parent company and corporate affiliates have access to your
information, they will follow practices that are at least as restrictive
as the practices described in this Privacy Policy. They also will
comply with applicable laws governing the transmission of promotional
communications and, at a minimum, give you an opportunity in any
commercial email they send to choose not to receive such email messages
in the future.
We also may share your information:
to establish or exercise our legal rights; to defend against legal
claims; or as otherwise required by law. In such cases we reserve the
right to raise or waive any legal objection or right available to us.
prevent, or take action regarding illegal or suspected illegal
activities; to protect and defend the rights, property, or safety of our
company or this website, our customers, or others; and in connection
with our Terms of Service and other agreements.
divestiture, merger, consolidation, or asset sale, or in the unlikely
event of bankruptcy.
Other than as set out above, you will be notified when personal
information about you will be shared with third parties, and you will
have an opportunity to choose not to have us share such information.
We also may share aggregate or anonymous information with third
parties, including advertisers and investors. For example, we may tell
our advertisers the number of visitors our website receives or the most
popular hotels and vacation destinations. This information does not
contain any personal information and is used to develop content and
services we hope you will find of interest.
Expedia Business Rewards Program. If you are a member of the
Expedia Business Rewards Program, information related to your bookings
will be shared with your employer. This information may include the
name of the person booking travel; destination; travel dates; relevant
suppliers, including hotels and airlines; and itinerary number. It will
not include credit card numbers, passport numbers, or frequent flier
numbers. If you terminate your membership in this Program, no further
information will be shared.
這不算賣。是它自己用。
這與QQ家族分析你消息、檢索你短信沒有再推送廣告沒有什麼差異，都是你自己在使用前就同意過的。