There are many way to market your web store through social networks such as; Facebook, Twitter, etc…  Many are free and it only takes a little time on your part to get them started.  Spend a little time each week publishing to these sites.   Have a weekly featured product, a weekly discount offer, etc… whatever you can think of to draw people to your site.

References:

v  Facebook

v  Twitter

v  Google +

v  Other Social Networks; From Wikipedia, the free encyclopedia