I've heard many people start off with buying a few hundred twitter followers when they first start out in order to gain "social proof", meaning real people are more likely to follow them if they already have a decent perceived following. Have you tried this, and what's your general take on this?
Also, do you use the follow-me/follow-you technique? Do you follow back anyone who follows you? Do you follow people just to get a follow back?
What may be some other techniques you are using?