Marketing Success Stories

Hotmail’s “PS I Love You” Growth Hack: Revolutionizing Email Marketing


Hotmail, the pioneer of free web-based email services, implemented a groundbreaking growth hack known as the “PS I Love You” strategy. In this blog post, we’ll uncover the story behind Hotmail’s ingenious tactic, explore the insights it offers, and highlight its significant impact on email marketing and viral growth.

The Viral Masterstroke

Hotmail’s stroke of genius involved appending a simple yet effective message at the end of every outgoing email: “PS I Love You. Get Your Free Email at Hotmail.”

Insights and Impact

  • Viral User Acquisition: The strategy turned every Hotmail user into a brand ambassador, exponentially expanding its user base.
  • Word-of-Mouth Amplification: The viral nature of the message facilitated widespread organic growth through word-of-mouth marketing.
  • Trailblazing Email Marketing: Hotmail’s approach laid the groundwork for modern-day viral marketing and growth hacking strategies.

Key Elements

  1. Inherent Virality: The strategy leveraged users’ communication to spread Hotmail’s brand message organically.
  2. Simplicity and Effectiveness: The concise and compelling call-to-action embedded in everyday emails drove user acquisition.
  3. User-Centric Approach: Hotmail’s focus on user experience encouraged users to become advocates for the service.

Hotmail’s “PS I Love You” growth hack remains a legendary example of innovative marketing that reshaped the landscape of email service providers. Eager to implement innovative growth strategies for your brand? Request a free quote from Marketing By Ali. We specialize in crafting impactful marketing approaches.

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