Social networks have made building and widening your social contacts extremely easy. In the past, you might have had to attend numerous functions and paying for gas, food, and clothing just to show up and hand out a few business cards that later got tossed. With online social networking, the costs of networking are zero, but the rewards are immeasurable. Creating a list of social contacts online can lead to opportunities worldwide, something that local networking could never do for you.
LET PEOPLE COME TO YOU
Instead of trying to push people into getting acquainted with you or your company
Social networks have special rules that you must follow to keep your account active
BUILD YOUR LISTS WITHIN THE NETWORK FIRST
That doesn't mean that you don't want people to befriend or follow you on these sites. It means that you have to take care as to how you end up harvesting their email addresses. Just because someone befriends or follows you doesn't mean that they are open to your marketing campaign and want to receive commercial solicitations. In fact, if you do send them that information, they're likely to report you as a spammer, and you can have your account revoked