Quora is a privately held Q&A social platform run by Quora, Inc. (also the developer of the AI chat aggregator Poe), whose own App Store privacy label discloses that Contact Info, Search History, Browsing History, and a User ID identifier are collected and used for the developer's own advertising/marketing. Quora's self-run advertising business (business.quora.com) documents behavioral ad targeting based on users' on-platform question/answer reading history, a "Quora Pixel" advertisers embed on their own sites for cross-site conversion tracking and website-behavior-based audience building, and a third-party B2B data broker integration (Bombora) plus advertiser-uploaded email-list matching for targeting. An independent ToS;DR analysis (rated D) corroborates third-party tracking pixels, web beacons and device/browser fingerprinting, cross-site tracking, and sharing of personal information with advertising companies to target ads. In December 2018 Quora disclosed that a "malicious third party" had gained unauthorized access to its systems, compromising account data (names, emails, IPs, encrypted passwords) and imported contact/demographic data for approximately 100 million users; Quora notified affected users, invalidated passwords, and engaged an external forensics firm. No further FTC or state-AG privacy order was found, and no full corporate ownership chain (investors, parent) was located from a primary source beyond the self-declared "Quora, Inc." entity name.
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Quora's Apple App Store privacy label states that data linked to the user's identity — Contact Info (Email Address, Name), Search History, Browsing History, and Identifiers (User ID) — is collected for the developer's own Advertising or Marketing purposes, and separately names "Quora, Inc" as the app's registered Seller.
Quora's own account of its December 2018 breach (as reported by TechCrunch, quoting the categories of data Quora said were affected) states that data imported from linked social networks — including contacts, demographic information, and interests — is collected when users authorize account linking.
As assessed by PrivacySpy on 2020-12-07 (see PrivacySpy's rubric entry for this product for the per-claim citation): Does the service collect personal data from third parties? — Yes.
Quora's own advertising business website identifies its operating legal entity as "Quora Inc." in its site-wide copyright footer, consistent with the "Quora, Inc" seller name independently disclosed on its Apple App Store listing; no further public ownership chain (investors, parent) was found from a primary source, consistent with Quora being a privately held company.
As assessed by PrivacySpy on 2020-12-07 (see PrivacySpy's rubric entry for this product for the per-claim citation): Does the policy outline the service's general security practices? — Somewhat.
Quora's own ad-targeting documentation states advertisers can use "List Match Targeting" to match their own email lists against Quora users, and a "Bombora integration" to target Quora users by account, job level, company size, and industry for B2B/account-based marketing — combining a named third-party data provider (Bombora) with Quora user data for ad targeting.
As assessed by PrivacySpy on 2020-12-07 (see PrivacySpy's rubric entry for this product for the per-claim citation): Does the policy allow personally-targeted or behavioral marketing? — Yes, but you may opt-out.
Quora disclosed in December 2018 that a "malicious third party" gained unauthorized access to its systems, compromising account and user data (name, email, IP address, user ID, encrypted password, account settings, personalization data) as well as imported contacts/demographic data, for approximately 100 million users; Quora notified affected users, logged them out, and invalidated passwords as a precaution.
Quora's own advertiser-facing measurement page states that the "Quora Pixel" is a code snippet advertisers embed on their own websites to enable conversion tracking, campaign optimization, and audience building based on the visitor's website behavior — tracking infrastructure Quora operates on third-party sites.