LIVaC is a tool for linguistic researchers. It is based on a large corpus of over 6 billion characters that shows the continuing evolution of the Chinese language over time and across Chinese speaking communities. 
LIVaC has been in continuous operation since 1995 LIVAC is a synchronous Chinese corpus providing insights into linguistic developments across the Chinese communities of Hong Kong, Taipei, Beijing, Shanghai, Singapore and Macau. LIVaC continuously draws and analyzes data from the printed Chinese news media. It enables the tracking of linguistic and social developments over time. 
More information about LiVaC can be found on Wikipedia.   
1. LiVaC New Chinese Buzzwords Roster


What are the NEW Buzzwords in Beijing, Hong Kong, and Taipei in 2020? —— see 

2020 新詞榜
Click the picture to see the New Chinese Buzz Word Rosters from 2018-2019.
Top 5 new words in Pan-Chinese Regions include: Stay-At-Home Order (居家令), Heroes in harm’s way (逆行者), National Security Law (港區國安法), Livestream Sales (直播帶貨), and Cloud-based Conference Call (雲會議).
Check for more previous LiVac Pan-Chinese New Buzzwords Roster with detailed explanation
2. LiVaC Roster of Newsmaker
Who are the Top10 Newsmakers, or KOLs (Key opinion leaders) in Beijing, Hong Kong, and Taipei? ——14 of them are
2020 LIVAC Newsmaker Roster Banner
Click the picture to see the Newsmaker Rosters from 2015-2020.
Roster of newsmaker for 2020 please see “Pan-Chinese top newsmaker of 2020”.
Check for more previous LiVac Newsmaker Rosters with detailed explanation.