Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Pinterest Ads is an online advertising platform developed by Pinterest.
Pinterest Conversion Tag allows you to track actions people take on your website after viewing your Promoted Pin.