This strategy is good because it gives people who subscribe to your emails lots of opportunities to choose what they like. It also lets you know if the person wants information about a topic you didn’t even think of. And when you send them messages, they will feel like you are talking just to them.
You can send emails to a group of people. They might want to hear about one topic or another. You can choose what they want and send the email that way.
People like when they can choose what they read. Your subscribers might want to read about different topics. When you write emails, make them feel personal by writing emails for each person who signs up for your list.