AdRoll is a widely-used ad retargeting platform that is used by a number of brands to retarget users with ads across social media, mobile, and the web. AdRoll offers solutions for both enterprises and agencies of all sizes. The retargeting app helps user to reach site visitors at the most optimal time with the most appropriate ad on any screen.
Bootstrap is a free and open-source front-end framework for designing websites and web applications. It contains HTML and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions.
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.
Google Calendar is an get a button on its browser toolbar that they can easily click to see upcoming events from google calendar, without ever leaving their page. And if they are on sites that have special events encoded, it can click the button to instantly add events to they calendar.