A/B Testing Phone Scripts Based on Your List Segments: What Actually Works?

In telemarketing, your phone script is your first impression—and in most cases, your only shot. But even the best-written script won’t perform the same across every lead. Why? Because not all leads are created equal. Different demographics, industries, and buyer intents require different tones, offers, and pacing. That’s where A/B testing your phone scripts based[…]

How to Use Mobile Phone Lists to Improve Your Telemarketing Results

If you’re still relying on landline-heavy data or dialing outdated numbers, chances are your contact rates are dropping—and fast. In today’s mobile-first world, the key to telemarketing success is simple: 👉 Use Better Mobile Phone Data At Gemstone Data, we’ve seen firsthand how switching to high-quality, updated consumer cell phone lists can transform the results[…]

How to Build Lookalike Audiences Using Consumer Phone Data

If you’re advertising online and not leveraging lookalike audiences, you’re missing out on one of the most powerful ways to scale your campaigns. And if you’re only using email addresses to build those audiences, you’re not getting the full picture. Enter: consumer phone data—a highly underutilized asset for building precise, profitable lookalike audiences. In this[…]

Cold Emailing 101: How to Use a Purchased Email List the Right Way

In today’s competitive lead generation environment, marketers are always looking for scalable ways to reach new prospects. While inbound strategies are powerful, they take time to build momentum. When businesses want to accelerate pipeline growth, many turn to cold emailing—and in some cases, purchased email lists. But let’s be honest: cold emailing with a purchased[…]