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Meta launches Seller app, YouTube Shorts adds custom thumbnails, and user interaction with ChatGPT links

by Colling Media - July 29, 2026

Meta Launches Seller App

Meta has introduced Seller, a dedicated app for Facebook Marketplace sellers that combines AI-powered listing creation, inventory management, messaging, and performance insights. For marketers, Meta is making social commerce easier to manage and creating more opportunities to drive direct sales.

YouTube Shorts Adds Custom Thumbnails

YouTube is rolling out custom thumbnails for Shorts, giving creators more control over how their videos appear and helping them stand out in the feed. For marketers, stronger branding and better click-through potential make Shorts an even more valuable part of a video strategy.

User Interaction With ChatGPT Links

New research found that only 26% of ChatGPT users click through to a source linked in an AI response, with most staying inside the conversation instead. For marketers, earning AI citations is important, but creating content compelling enough to drive clicks is becoming the bigger challenge.

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