WhatsAppWhatsApp (also called WhatsApp Messenger) is a freeware, cross-platform, centralized instant messaging (IM) and voice-over-IP (VoIP) service owned by United States tech conglomerate Meta Platforms. It allows users to send text, voice messages and video messages, make voice and video calls, and share images, documents, user locations, and other content. WhatsApp's client application runs on mobile devices, and can be accessed from computers. The service requires a cellular mobile telephone number to sign up.
Signal (software)Signal is an encrypted messaging service for instant messaging, voice, and video calls. The instant messaging function includes sending text, voice notes, , videos, and . Communication may be one-to-one between users, or for group messaging. The application uses a centralized computing architecture, and is cross-platform software. It is developed by the non-profit Signal Foundation and its subsidiary, Signal Messenger LLC. Signal's software is free and open-source. Its mobile clients, desktop client and server are all published under the AGPL-3.
Russian invasion of UkraineOn 24 February 2022, in an escalation of the Russo-Ukrainian War which began in 2014. The invasion has killed tens of thousands on both sides. Russian forces have been responsible for mass civilian casualties and for torturing captured Ukrainian soldiers. By June 2022, about 8 million Ukrainians had been internally displaced. More than 8.2 million had fled the country by May 2023, becoming Europe's largest refugee crisis since World War II. Extensive environmental damage, widely described as ecocide, contributed to food crises worldwide.
Messenger (software)Messenger is an American proprietary instant messaging app and platform developed by Meta Platforms. Originally developed as Facebook Chat in 2008, the company revamped its messaging service in 2010, released standalone iOS and Android apps in 2011, and released standalone Facebook Portal hardware for Messenger calling in 2018. In April 2015, Facebook launched a dedicated website interface, Messenger.com, and separated the messaging functionality from the main Facebook app, allowing users to use the web interface or download one of the standalone apps.
TikTok'TikTok, whose mainland Chinese counterpart is Douyin' (), is a short-form video hosting service owned by ByteDance. It hosts user-submitted videos, which can range in duration from 3 seconds to 10 minutes. Since their launches, TikTok and Douyin have gained global popularity. In October 2020, TikTok surpassed 2 billion mobile downloads worldwide. Morning Consult named TikTok the third-fastest growing brand of 2020, after Zoom and Peacock. Cloudflare ranked TikTok the most popular website of 2021, surpassing Google.
DiscordDiscord is an instant messaging and VoIP social platform. Users have the ability to communicate with voice calls, video calls, text messaging, media and files in private chats or as part of communities called "servers". A server is a collection of persistent chat rooms and voice channels which can be accessed via invite links. Discord runs on Windows, macOS, Android, iOS, iPadOS, Linux, and in web browsers. , the service has over 350 million registered users and over 150 million monthly active users.
Volodymyr ZelenskyyVolodymyr Oleksandrovych Zelenskyy (also transliterated as Zelensky or Zelenskiy; born 25 January 1978) is a Ukrainian politician and former comedian and actor who is the sixth and current president of Ukraine since 2019. Born to a Ukrainian Jewish family, Zelenskyy grew up as a native Russian speaker in Kryvyi Rih, a major city of Dnipropetrovsk Oblast in central Ukraine. Prior to his acting career, he obtained a degree in law from the Kyiv National Economic University.
WeChatWeChat and Weixin () are a Chinese instant messaging, social media, and mobile payment app developed by Tencent. First released in 2011, it became the world's largest standalone mobile app in 2018 with over 1 billion monthly active users. WeChat has been described as China's "app for everything" and a super-app because of its wide range of functions. WeChat provides text messaging, hold-to-talk voice messaging, broadcast (one-to-many) messaging, video conferencing, video games, mobile payment, sharing of photographs and videos and location sharing.
Christchurch mosque shootingsOn 15 March 2019, two consecutive mass shootings occurred in a terrorist attack on two mosques in Christchurch, New Zealand. The attacks, carried out by a lone gunman who entered both mosques during Friday prayer, began at the Al Noor Mosque in the suburb of Riccarton at 1:40 pm and continued at the Linwood Islamic Centre at 1:52 pm. 51 people were killed and 40 others were injured. The gunman, 28-year-old Brenton Harrison Tarrant from Grafton, New South Wales, Australia, was arrested after his vehicle was rammed by a police unit as he was driving to a third mosque in Ashburton.
Anonymous (hacker group)Anonymous is a decentralized international activist and hacktivist collective and movement primarily known for its various cyberattacks against several governments, government institutions and government agencies, corporations and the Church of Scientology. Anonymous originated in 2003 on the 4chan representing the concept of many online and offline community users simultaneously existing as an "anarchic", digitized "global brain" or "hivemind".
