By Hilary Topper, an EO New York member, and president and CEO of HJMT Public Relations

As the owner of a public relations firm, one of my biggest jobs is to stay on top of the latest social media trends. Personally, I love discovering social networking sites and apps, and learning how to use them to target various demographics.

I’ve spent the past few years researching hundreds of sites, and have even compiled my findings in a book: Everything You Ever Wanted to Know about Social Media, But Were Afraid to Ask … Building Business Using Consumer Generated Media. Since then, I’ve been a “student” of social media. Here are some of the newest social-networking platforms and apps that I’ve come across, many of which may help you.