Six Ideas for Finding New Sales LeadsDon't overlook these unexpected online opportunities for prospects.

Sometimes in life, you kick over a rock and find a thriving colony of activity. So, too, in business. With so many tools, niches, sites, apps and platforms to look for and nurture customers, it's easy to overlook less obvious opportunities. Here are some to try.

1. SlideShare
SlideShare.netoffers the ability to upload and share presentations, e-books, PDFs and webinars. It isn't exactly a backwater, but it's a bit of an undervalued spot. With 60 million visitors per month and 130 million page views, it's the world's largest professional content-sharing community and one of the top 200 sites on the web.