67 shut down AdTech companies

Wide Angle Analytics was a privacy-focused web analytics platform that provided cookie-free tracking and GDPR-compliant analytics for websit…

Meta Spark AR was Meta's augmented reality platform that enabled creators and brands to build immersive AR effects for Instagram and Faceboo…

Edgio is a global edge-enabled software platform spanning content delivery, web applications, and edge video.

Amazon Ad Server (formerly Sizmek) is Amazon's enterprise-grade ad serving and creative management platform, enabling advertisers and agenci…

Oracle Advertising was Oracle's adtech division offering data-driven advertising solutions, shut down by September 2024 after an 85% revenue…

Crackle Plus is an ad-supported streaming platform and content distribution network offering free, premium video content to consumers while …

Moat was a leading ad measurement and analytics platform acquired by Oracle for $850M in 2017, shut down in September 2024 as part of Oracle…

Oracle Data Cloud was Oracle's flagship data and audience intelligence platform for advertisers, combining BlueKai, Datalogix, Moat, and Gra…

Oracle Moat was a leading digital advertising measurement and analytics platform that provided viewability, attention, and brand safety metr…

Salesforce DMP (formerly Krux) was a data management platform that enabled marketers to unify, segment, and activate audience data across di…

CrowdTangle was a social media analytics tool acquired by Facebook November 2016 — provided journalists, researchers, and brands with monito…

Flurry Analytics was a pioneering mobile app analytics platform that provided developers and marketers with deep insights into user behavior…

StackPath is a comprehensive edge computing platform provider that delivers integrated content delivery network (CDN) services, security sol…

Perfect Audience was a retargeting platform that enabled small and medium-sized businesses to run display and social media retargeting campa…

PromoteIQ was a retail media technology platform acquired by Microsoft in 2019 that enabled retailers to monetize their digital properties t…

Music streaming service launched 2020.

Music streaming service launched July 2023 (Indonesia, Brazil, Australia, Singapore, Mexico).

Salesforce Social Studio was an enterprise social media management and listening platform, now sunset as Salesforce shifts social capabiliti…

Google Optimize was a free A/B testing and website optimization tool that was part of Google Marketing Platform until its sunset in Septembe…

Social bookmarking and sharing widget company acquired by Oracle in January 2016 for $200M.

Eyereturn Marketing was a digital advertising technology company specializing in dynamic creative optimization and programmatic display adve…

Near Intelligence is a global data intelligence platform specializing in location-based audience insights and people intelligence, helping b…

Stitcher was a podcast streaming platform and network that provided on-demand audio content and podcast advertising solutions before being s…

French location-sharing social-app.

Amazon Sumerian was AWS's browser-based platform for creating augmented reality (AR), virtual reality (VR), and 3D web experiences without r…

ByteDance's gaming arm.

TikTok Now was ByteDance's short-lived BeReal clone that prompted users to share simultaneous front-and-back camera snapshots daily, discont…

Coil was a web monetization platform that used the Interledger Protocol to enable micropayments, allowing creators to earn revenue from subs…

Spotify's live audio chat product (acquired Locker Room March 2021, rebranded to Greenroom June 2021).

Facebook Local Awareness Ads was a hyper-local advertising format launched by Facebook in 2014, enabling small businesses to target users wi…

MoPub was a leading mobile-focused ad serving platform and exchange that enabled app publishers to monetize through programmatic advertising…

CNN+ was Warner Bros.

Alexa Internet was a pioneering web analytics and traffic measurement service that provided competitive intelligence and website ranking dat…

Chartio was a cloud-based business intelligence and data visualization platform that enabled non-technical users to explore and analyze data…

Tophatter is a mobile-first online auction marketplace that revolutionizes e-commerce through its distinctive 90-second rapid-fire auction f…

Facebook Gaming was Meta's dedicated gaming platform that combined game streaming, cloud gaming, and social features before being shut down …

PRAM was an industry coalition working to develop privacy-safe, interoperable standards for addressable digital advertising in a post-cookie…

Snap's AR-camera drone (the 'Pixy').

Salesforce's data management platform (DMP) that enables marketers to unify customer data and create targeted audience segments for personal…

Vidnami was a cloud-based video creation tool that automated the production of marketing videos from text scripts, primarily serving content…

DigiTrust was an IAB Tech Lab initiative that provided a standardized, privacy-focused user identity solution for digital advertising, aimin…

English news-aggregator (overseas Toutiao).

Ukrainian AI/computer vision startup acquired by Snap Jan 2020 for $166M.

Eyeview was a video advertising platform specializing in personalized, outcome-driven video ads at scale before shutting down in December 20…

IgnitionOne was a leading digital marketing technology platform that provided cross-channel campaign management, audience scoring, and custo…

Onavo was a mobile analytics + VPN company acquired by Facebook October 2013 (~$120M).

Barton F.

Yieldr was a programmatic advertising platform specializing in data-driven audience targeting and campaign optimization, with a strong focus…

Chitika was a search-targeted online advertising network that served billions of ads monthly to publishers outside of Google's ecosystem, sp…

Atlas Solutions was an ad server acquired by Facebook from Microsoft in 2013 (~$100M).

Convertro was a marketing attribution and analytics platform that helped advertisers measure cross-channel campaign performance before being…

Videology was a video advertising platform that provided software for buying, selling, and optimizing video ad campaigns across TV and digit…

Chango was a pioneering search retargeting and programmatic advertising platform that used search intent data to deliver highly targeted dis…

LiveRail was a programmatic video advertising platform acquired by Facebook August 2014 (~$500M).

Crowdbooster was a social media analytics and management platform that helped businesses optimize their Twitter and Facebook presence throug…

Slide was a pioneering social application platform and widget company that became one of the largest app developers on Facebook and MySpace …

Pioneering SSP founded 2007.

Fetchback was a retargeting technology provider that helped advertisers re-engage website visitors through display advertising across the we…

Content.ad is a digital advertising technology platform specializing in content discovery and native advertising solutions that connect publ…

AdProfy is a digital advertising technology platform that operates as a dual-sided marketplace connecting publishers and advertisers through…