When you ask a question on LinkedIn Answers you MUST send the question to up to 200 of your first degree contacts. If you don’t do this, imho, you shouldn’t even ask the question. It’s that important.
A few months ago LinkedIn changed the design on the page where you invite your connections to get the question emailed to them. This is what you click on (kind of hidden, isn’t it?):
When is the last time you asked a question on LinkedIn Answers? If it’s been over a month, mozy on over and do it! Why? I explain that in my book