Pinterest's Q3 earnings showed strong growth, but stock dropped due to weak guidance in ad revenue, as analysts suggest it may need more time for recent deals and AI ad products to boost shopping engagement.

Amazon’s ad business grew 19% this quarter, slightly down from 20% last quarter despite new Prime ad inventory, raising questions about future growth and potential competition from other retail media networks as off-network ad sales emerge as the next frontier.

Ad tech companies are bypassing middlemen with direct and curated ad networks, questioning the need for traditional ad tech and its impact on smaller publishers.

The consensus at Advertising Week is that, despite all its upside, retail media still lacks some basic maturity.

The rise of retail media is reshaping ad agency dynamics and sparking concerns over its growing influence.

Retail Media Networks are realizing they have leverage, and aren’t being shy about using it.

Retail Media ad growth may slow, but it's still booming with over $50 billion in projected 2024 revenue.

Target's ad network, Roundel, is booming thanks to its popular Target Circle membership.

Social platforms LinkedIn and Pinterest are partnering with web publishers on selling one another's inventory and audiences. Mike Shields takes a look at the experiment in his latest guest column.