Advertising Resources

Twitter
Twitter for Business
Twitter Campaign Overview
Twitter Advertising Blog
2 Key Ways to Advertise on Twitter
The Social Advertising Cheat Sheet
How to Set Up Twitter Advertising

Facebook
About Advertising on Facebook
Guide to Advertising on Facebook
3 Ways to Advertise on Facebook
A Deep Dive into Facebook Ads
Tips to Facebook Ads that Convert

LinkedIn
About LinkedIn Ads
The Getting Started Guide to LinkedIn Advertising
Guide to LinkedIn PPC Ads
The KISSmetrics Guide to LinkedIn Ads

General
Social Media Marketing Wiki
Sprout Social – Social Media Resources
Download Guides & Checklists
3rd Party Ad Servers