# Social Index > Social Index is the industry standard for measuring earned media value (EMV) and campaign ROI across social platforms. Since 2013, over 3,000 companies and platforms like Brandwatch have used Social Index benchmarks across Twitch, Facebook, Instagram, LinkedIn, Snapchat, TikTok, X, and YouTube. It is operated by Ayzenberg Group as part of the a.network. Social Index helps marketers, agencies, and platforms measure the earned media value of influencer campaigns, content marketing, PR, organic social, and paid social. Pricing is organization-based with self-serve and enterprise tiers. ## Product - [Home](https://www.earnedmediavalues.com/): Product overview, features, pricing, and contact form. - [Pricing](https://www.earnedmediavalues.com/#pricing): Self-serve plan tiers and enterprise options. - [Sign up](https://www.earnedmediavalues.com/signup): Create an account and subscribe to a plan. - [Log in](https://www.earnedmediavalues.com/login): Sign in with email magic link. ## Insights - [Insights index](https://www.earnedmediavalues.com/insights): Articles on earned media value, social media analytics, and the creator economy. ## Legal - [Privacy Policy](https://www.earnedmediavalues.com/privacy): How Social Index handles user data. - [Terms of Service](https://www.earnedmediavalues.com/terms): Terms governing use of the platform. ## Machine-readable resources - [Sitemap](https://www.earnedmediavalues.com/sitemap.xml): Canonical list of indexable URLs, including all published insights articles. - [robots.txt](https://www.earnedmediavalues.com/robots.txt): Crawling rules and sitemap pointer.