Don't get caught up thinking you're not a good conversationalist. Be prepared and comfortable with different conversation starters, so you're never stumped or faced with an awkward silence.
Today you just have to type a one sentence email, yet some people still don't have the courtesy to acknowledge gifts.
I guarantee you will increase your business if you clearly communicate what you do. The problem is that most people don't, wasting their time and energy unknowingly.
Overall, people buy from people they "know, like and trust." If you embody these traits, how do you get the word out that you can help them with their needs.
The truth is that I donate my services quite regularly. But if I'm going to help you move forward in your career and keep my own, we need to get on the same page when it comes to valuing one another's time and expertise.