Facebook Pixel helps organizations measure customer actions, build audiences and unlock optimisation tools. Facebook pixel is a snippet of JavaScript code that allows you to track visitor activity on your website.
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.
Less which stands for Leaner Style Sheets is a backwards-compatible language extension for CSS. This is the official documentation for Less, the language and Less.js, the JavaScript tool that converts your Less styles to CSS styles.
Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.
Skype is a multi-channel communications software that provides video chat, voice calls, instant messaging & more to business of all sizes, across the world.
YouTube is a video sharing service where users can watch, like, share, comment and upload their own videos. The video service can be accessed on PCs, laptops, tablets and via mobile phones.