Vyara Stefcheva

Vyara Stefcheva

Founder & Editor, Egorithms · Independent marketing expert

Vyara Stefcheva is the founder and editor of Egorithms and an independent marketing expert. She follows how technology, AI and algorithms change the way people find, choose and buy, and writes about what that means for businesses and for the people who use them.

She has spent her career building marketing and business strategies for more than 300 brands across three continents. She built and exited a marketing agency and now works independently. She has taught more than 20,000 people through lectures, courses and corporate training, and speaks at conferences about AI and the future of the internet.

On her YouTube channel she tests new AI and marketing tools as they launch and gives each an independent verdict: adopt, watch or ignore.

Author Archives: Vyara Stefcheva

EU AI Act Article 50, Explained: When Ads, Images and Posts Must Be Labeled as AI

What Article 50 of the EU AI Act requires since August 2026: what counts as...

Digital PR and AI Citations, Explained: Why ChatGPT Trusts Earned Media Over Your Website

84% of AI citations in ChatGPT, Claude and Gemini come from earned media. What digital...

Sharenting, Explained: How Parents’ Posts Build a Child’s Digital Footprint

What sharenting is, how big a child's digital footprint gets, the four main risks from...

The Synthetic Economy, Explained: When AI Agents Buy From AI Agents, Who Is the Customer?

AI agents now search, compare and buy for people. What the synthetic economy is, how...

Cloudflare Wallets Explained: How AI Agents Will Pay Online, and What It Means for Businesses

Cloudflare Wallets let AI agents pay within limits you set. How the wallets, x402 payments...

How Claude’s Text Watermark Works: What It Detects, What Survives and Who Can Check It

How Anthropic's Claude watermark works, what survives editing, what it can't prove, who can detect...

How AI Search Decides Who to Cite: Query Fan-Out, Passages and Entities Explained

Query fan-out, passage retrieval and entities explained. How Google AI Mode and AI assistants choose...

How AI Visibility Tools Really Measure Prompts: Semrush vs. Ahrefs vs. Google (2026)

Semrush estimates prompt demand, Ahrefs audits AI answers, Google shows impressions. What each AI visibility...

Why Ads Keep Getting More Expensive in 2026: Meta, Google and the AI Effect Explained

Meta's price per ad is up 12% and Google CPC hit $5.42. How AI, automation...

How ChatGPT Ads Work: A Guide to OpenAI’s Ads Manager, Now Open Across Europe

ChatGPT Ads are open to self-serve advertisers across Europe. Who sees them, how targeting works,...