Influencer marketing can be a smart way to grow an email list when done with the right plan. Instead of just asking influencers to mention your brand, you can ask them to invite followers to sign up for something useful, like a free guide, discount, or early access to new products. This gives people a reason to join your list. The influencer's recommendation makes the offer sound more trustworthy. However, the landing page should be simple and clear, so visitors know exactly what they're signing up for. The influencer's audience must also match your target market, or the new subscribers may not stay interested. What kind of offers do you think work best for this type of campaign?