What are the most trending topics in the world nowadays according to you?

Data Safety: Facebook is in the midst of a controversy where it leaked user data. In India, we do not take data safety seriously but the other countries do. Data safety will continue to be a trending topic since data is more expensive than petrol now.
Bitcoins (and its rivals) and the technology: Bitcoin and other cryptocurrencies will continue making headlines. Some will hit the top, some will crash, governments will look at regulating them, and hackers will find enough loopholes to steal money from the blockchain system.
Trade wars: China and USA trade war is impacting the stock market almost everywhere.