Group items tagged

Facebook customaisation and marketing tools - custom tabs and Pages, including options for "fan gates", opt-in/detail capture, competitions, promotions, sweepstakes - Free, to a point

Social advertising - promote your products and services via Bloggers, Twitter users, and video bloggers.  Essentially PPC for social media.

Sell & promote digital products, including audio, video and whitepapers/ebooks - integrates with Paypal, and allows you to discount your products if the buyer shares it via their networks

Clean up your Twitter account, by finding those who rarely tweet, who have no profile picture, who don't engage or respond, who over-promote themselves - allows for better relationships and likelihood of engaging new business/relationships

Shortstack allows free, professional custom tabs for your Facebook Page - includes templates for Pinterest tabs, promotions & sweepstakes, customer details capture (opt-in), and more.

Facebook Ads allows you to research the size of a specific market on Facebook, based on interests and demographic profile.  Use as a research tool, or go whole hog, and create ads to display to that audience.