It's a great way to stay in touch with customers and it lends credibility to you. Passwords - The four free services require a password and confirmation, which can hurt. Cherish Fear - Harness your fears, then give them free rein. If you listen closely, you can learn. There is little to be learned from nice things said.
Criticism is another matter.
Give Away Gross For Increased Profits - You can increase profits by letting others sell it for you. Writing Skills Matter - Website content is communicated with words. Use them wisely. There are simple ways to grow your skills to a surprising degree. If it's so, it's probably because you don't do it well.