Channels: CTV, mobile, retail, audio, DOOH

Ads are no longer just banners on web pages. This track walks through connected TV, mobile apps, retail and commerce media, audio and podcasts, digital out-of-home, and search, social and AI assistants, explaining how each one works, who the big players are and where invalid traffic hides.

intermediate · 6 lessons · 49 minutes

1. 01

   CTV and streaming: how ads reach the big screen

   How connected TV ads work: CTV vs OTT vs FAST, SSAI vs CSAI, VAST and ad pods, ACR and household IDs, the new ad tiers, and SSAI spoofing risk.

   9 min
2. 02

   Mobile app advertising: SDKs, mediation, MMPs and SKAN

   How in-app ads work: SDKs, mediation and in-app bidding, rewarded video, MMP attribution, SKAdNetwork and AdAttributionKit, and in-app fraud.

   9 min
3. 03

   Retail and commerce media: ads where people buy

   How Amazon, Walmart Connect, Instacart, Flipkart, Mercado Ads and Coupang sell ads using shopper data, on-site and off-site, with closed-loop measurement.

   8 min
4. 04

   Audio and podcasts: ads you hear

   How streaming audio and podcast ads work: host-read vs dynamic ad insertion, Spotify, SiriusXM, AdsWizz and iHeart, measurement and download fraud.

   7 min
5. 05

   Digital out-of-home: billboards that bid

   How digital billboards and screens are bought programmatically, who the players are, how audiences are estimated with multipliers, and how plays are verified.

   7 min
6. 06

   Search, social and AI: the biggest ad businesses and the newest

   How search and social ads work, why they dominate spending, and how ads are arriving in AI search and assistants like Google AI Mode and ChatGPT in 2026.

   9 min

Test yourself: Channels quiz: CTV, mobile, retail, audio, DOOH