GrowSurf Blog

Referral marketing articles for marketing and product teams at startups and growth-stage companies

Anthropic's Claude Referral Program: The Guest Pass That Turns Power Users Into a Sales Team

Anthropic only lets its paying power users hand out Claude invites, and what they give away is a full free week of the product. Here is why that design is so effective.

Posted by Kevin Yun | Jul 1, 2026

OpenAI's Codex Referral Program: How “Banked” Rate-Limit Resets Became a Growth Loop

OpenAI rewards Codex referrals with banked rate-limit resets, the one thing constrained users want most. Here is how the loop works and what you can borrow from it.

Posted by Kevin Yun | Jul 1, 2026

What is Customer Lifetime Value (CLV) and How to Calculate It

Customer lifetime value (CLV) is a metric that measures the total revenue a business can reasonably expect from a single customer account throughout the entire business relationship.

Posted by Kevin Yun | Jan 14, 2026

Bolt.new’s Secret Weapon: How They Created a Viral Referral Program and Generated Billions of Tokens

Learn how one of the fastest-growing AI startups in history is using GrowSurf to power their referral program.

Posted by Kevin Yun | Jun 2, 2025

15 Proven Strategies to Attract More Customers to Your Business

In this article, we'll explore 15 proven strategies that will help you attract more customers, regardless of your industry, business size, or marketing budget.

Posted by Kevin Yun | Apr 3, 2024

The Definitive Guide to Earned Media: What It Is and How to Get It

Unlike its paid and owned counterparts, earned media is the organic, third-party endorsement that money can't buy – it's the ultimate stamp of credibility in the eyes of consumers.

Posted by Kevin Yun | Apr 2, 2024

The Comprehensive Guide to Marketing Strategy Planning for Professional Services

A marketing strategy serves as a roadmap that aligns your firm's goals, target audience, and unique value proposition, guiding your marketing efforts towards achieving desired outcomes.

Posted by Kevin Yun | Apr 1, 2024

Mastering Fintech Marketing: Strategies for Success in 2026

Learn about the latest fintech marketing trends in 2026 and receive actionable insights to help you navigate the complexities of this dynamic industry.

Posted by Kevin Yun | Mar 31, 2024

30+ Proven Marketing Strategies & Examples to Inspire Your Next Campaign

A marketing strategy is a comprehensive plan that outlines how a company will promote its products or services to its target audience. Learn more about the various marketing tactics and channels that you can explore.

Posted by Kevin Yun | Mar 30, 2024