Robert Hu
Blog

Research Notebook

How technology is changing commerce, and what operators need to understand before the shift becomes obvious.

Google Marketing Live 2026 introduces Gemini-written shopping ad copy pulled from advertiser product data and website content
Digital Marketing

Google Is Now Writing Your Ads With Gemini. Your Product Data Just Became Your Ad Copy.

At Google Marketing Live 2026, Google confirmed Gemini now writes shopping ad descriptions from your product data and website. Your data quality is now your ad copy quality. Here's what marketplace sellers should audit this week.

·6 min read
Read
Walmart Sponsored Prompts inside Sparky AI shopping assistant and best advertising strategy for marketplace sellers in 2026
Digital Marketing

Walmart Is Putting Ads Inside Sparky. Here's the Best Strategy for Marketplace Sellers.

Walmart is adding Sponsored Prompts to Sparky's AI conversations. Paid placements now mix with organic recommendations. The best strategy is GEO first, ads second. Here's why.

·6 min read
Read
Walmart Marty AI advertising agent for Sponsored Search campaigns and what it means for dual-channel e-commerce brands
Digital Marketing

Walmart's 'Marty' Ad Agent Is Coming for Your Sponsored Search Campaigns. Here's What Dual-Channel Brands Need to Know.

Walmart launched Marty, an agentic AI advertising assistant for Sponsored Search. For brands running ads on both Amazon and Walmart, this changes how you allocate spend, structure campaigns, and measure performance.

·6 min read
Read
Amazon PPC Strategy 2026: Protect Margins, Not Volume
Digital Marketing

Amazon Organic Visibility Is Declining. Here's How to Fix Your Ad Strategy.

Over 70% of Amazon sellers now run ads. If you're scaling spend without fixing your listings first, you're paying to send traffic to a leaky bucket. Here's the system that actually works.

·9 min read
Read
Abstract representation of AI agents in a social network with a human observer watching from outside
Digital Marketing

Moltbook: When AI Agents Build Their Own Social Network

A social network where only AI agents can post, comment, and vote. Over 150,000 agents have joined. Humans can only observe. Here is what that means for how we think about AI.

·7 min read
Read