Communication is all about people, and Social Media Library is quite simply the best directory of the most influential people online – compiled by people for people.

If you work in PR, marketing or communications of any kind, you'll know that right now through social media, people can share information about you, your clients, your products, staff, brands and services all instantly, frequently, publicly and globally.

Some of these people are hugely influential, so you need to listen.

But who should you listen to? Who are other people listening to? And who should you engage with?

Social Media Library offers three distinct services that derive directly from it's proprietary database of Social Media contacts: