Douglas Karr's Articles on Martech Zone
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The Best Portable Tripods for Travel, Vlogging, and Versatile Shooting Needs for 2025
Traveling with camera gear is always a balance between capability and convenience. A tripod can be the difference between a blurry photo and a professional-looking shot, but not all tripods are created equal, especially when you’re on the move. A…
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What Job Does Your Customer Need Your Product or Service To Perform?
Marketers love to segment. It’s practically in our DNA. We build personas with demographic attributes, map behavioral paths through funnels, and model intent signals into look-alike audiences. These frameworks are helpful—but they often miss the most crucial question in marketing:…
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B2B Lead Scoring: From Rules-Based Models to Predictive Intelligence
In B2B marketing and sales, not all leads are created equal, and treating them as such wastes time and resources. That’s where lead scoring comes in. Lead scoring is a methodology for ranking prospects based on their potential value to…
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Training an AI Model? Wait… What Does That Actually Mean?
Artificial Intelligence (AI) is in everything today—writing emails, helping customer service agents, recommending products, even generating content that feels human. But beneath the buzz, surprisingly few people truly understand what’s happening behind the curtain. Everywhere you turn, you hear phrases…
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Clean Email: Clean Up Your Inbox Once and For All
You're not alone if your inbox is bursting with thousands of unread emails, marketing junk, or years of digital clutter. Managing email overload can be frustrating, overwhelming, and downright exhausting, especially when the tools at your disposal seem only to…




