Future Bets

By Rachel Miller

As retailers entertain thoughts of expansion, here's an overview of five marketplaces that can offer new opportunities for online sellers looking to take their e-commerce to the next level:

1. Newegg
Newegg started as a destination site for consumer electronics and IT products. Since then, it's expanded to become a destination for all kinds of products, including office supplies, sporting goods, automotive and industrial products, that appeal to its core demographic, which is mostly affluent, tech-savvy males between the ages of 18 and 35.