Apache is a free and open-source cross-platform web server software.
Fastly is a cloud computing services provider. Fastly's cloud platform provides a content delivery network, Internet security services, load balancing, and video & streaming services.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
MS Word is a word-processing program used primarily for creating documents.
PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.
Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.