Slack is a proprietary business communication platform developed by American software company Slack Technologies. Slack offers many IRC-style features, including persistent chat rooms organized by topic, private groups, and direct messaging.
Twitter is an American microblogging and social networking service on which users post and interact with messages known as "tweets". Registered users can post, like and retweet tweets, but unregistered users can only read them.
Known as the original 'social network', Facebook allows users to create personal profiles, connect with friends and family, share photos and videos, join groups and pages based on interests, and communicate with others through private messaging and public posts. Facebook (Meta) also owns several other popular social media and messaging apps, including Instagram, WhatsApp, and Messenger.
TikTok is a social media app that allows users to create and share short videos. It was launched in 2016 by the Chinese tech company ByteDance, and it quickly gained popularity around the world, especially among younger generations. The app uses advanced algorithms to curate content based on user preferences and browsing history, making it a popular platform for both creators and consumers of short-form video content.
Instagram is a social media platform where users can share photos and videos, add filters, captions and hashtags to their posts, and engage with other users through comments, likes, and direct messages. It is a platform that focuses on visual content and is widely used for personal and business purposes.
YouTube is a video-sharing platform where users can upload, share, and view videos. It was created in 2005 by three former PayPal employees and was later acquired by Google in 2006. YouTube allows users to upload videos in a variety of formats and genres, including music videos, movie trailers, personal vlogs, educational content, and more.