Parthi Longanathan (Letterdrop) on AI-Powered Social Selling for the 99%

Mar 18, 2025

Parthi Longanathan, the founder and CEO of Letterdrop, previously worked at Google, mastering search dynamics. In this conversation, he details his company's pivot from SEO to LinkedIn social selling, driven by changing content consumption habits. Parthi emphasizes the importance of AI and personalized content over chasing virality. He also discusses how automation can enhance revenue operations while fostering authentic relationships in sales. This insightful talk highlights the shift towards tailored engagement strategies in modern marketing.

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ADVICE

Focus on Relationships and Buyer Needs

Focus on building relationships in sales, especially as AI automates other tasks.
Prioritize understanding buyer needs and problems in content marketing.

ANECDOTE

Letterdrop's Pivot to LinkedIn

Letterdrop pivoted from SEO content tools to LinkedIn-focused social selling due to declining SEO demand and the rise of AI.
Parthi, CEO of Letterdrop, leverages his experience as a former Google product manager to help companies build trust and generate leads on LinkedIn.

ADVICE

Focus on Value and User Needs in SEO

Focus on providing value and answering searchers' questions thoroughly.
Build trust and authority through your content, demonstrating expertise and credibility.

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In this episode, Parthi Longanathan explains why his company pivoted from SEO content tools to LinkedIn-focused social selling and how this shift reflects broader changes in the content marketing landscape. After seeing declining demand for SEO services and changing search behaviors due to AI tools, Parthi recognized that AI-assisted, personality-driven content was becoming the clearer path to revenue.

Letterdrop now helps companies turn internal expertise into consistent trust-building LinkedIn content for sales and executive teams. Rather than chasing virality, Parthi focuses on helping everyday professionals create content that resonates with the small subset of people who matter: their prospective customers.

About Our Guest: Parthi Longanathan

Parthi Longanathan is the founder and CEO of Letterdrop. He worked as a product manager at Google on the search team and G Suite (now Google Workspace), giving him unique insights on how search works behind the scenes.

After leaving Google in 2019, Parthi founded Letterdrop, initially focused on helping marketers create high-quality SEO content by streamlining research and connecting content to revenue. In 2023, noticing changes in search behavior and declining demand for SEO services, he made the strategic decision to pivot toward LinkedIn-focused content solutions.

About This Season of the Animalz Podcast: AI & Content

Hello... is there anybody out there creating real value with AI?

The AI conversation in content marketing has become deafening — skeptics shouting from one side, shallow tips from enthusiasts on the other. But somewhere in this noise, there must be pioneers who've actually figured something out, right?

We've gone on a search for the real pioneers — the ones who've ventured beyond the hype to succeed (or fail) spectacularly. Through their hard-won insights, we'll discover if there's actually something of value hiding in the noise, or if we're all just shouting into the void.

Check out other episodes in the season here

Timestamps

00:00 "I think a lot of people just misunderstand how to use LinkedIn"

02:00 Current trends in the RevOps space

04:00 Knowledge work automation and relationship-building

06:00 Parthi's background at Google and Letterdrop's evolution

08:00 Why Letterdrop pivoted from SEO to LinkedIn

10:00 Google search principles from an insider's perspective

13:00 How content marketers should think about search

16:00 The future of search and declining SEO investment

19:00 How Letterdrop's original SEO product worked

23:00 Building the LinkedIn growth engine for sales teams

26:00 Components of an effective LinkedIn strategy

28:00 Focusing on influencing "the thousand people who matter"

31:00 How AI enhances Letterdrop's LinkedIn content system

34:00 The reality about most people's "tone of voice"

37:00 The future of content marketing and knowledge work

Mentioned Links & Resources

Brian LaManna, Nate Nasralla, and Isaiah Crossman (00:03:00): Sales experts Parthi follows for insights into the sales and RevOps space.
Letterdrop (00:05:00): Parthi's company, which pivoted from SEO content tools to LinkedIn social selling systems.
Google Workspace (00:06:00): Formerly G Suite, a product Parthi worked on at Google.
LinkedIn (00:07:00): The platform where Letterdrop now helps companies build personal brands and relationships with prospects.
Google Search (00:10:00): Where Parthi worked as a product manager, gaining insights into how search algorithms evaluate content.
ChatGPT and Gemini (00:17:00): AI tools changing Parthi's search behavior that led him to reconsider his business direction.
Surfer and Clearscope (00:19:00): SEO tools Parthi mentions when explaining alternative approaches to content optimization.
Clearbit and 6sense (00:20:00): Tools mentioned for identifying website visitors and connecting content to revenue.
Adam Robinson (00:23:00): Referenced as an example of someone with strong personal brand who receives high response rates.

Follow Parthi Longanathan on LinkedIn: "I'm there posting helpful, thoughtful stuff three to four times a week. At least half of it is created by Letterdrop."

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