In January, the United States Federal Communications Commission voted to revoke the authorisation for the US Unit of Chinese telecom giant China Unicom to continue operations due to concerns over national security. The move made the company the latest target among a number of technology and telecom companies that have been targeted in recent years amid a continuously intensified tech war between the two great superpowers. Other than the trade war initiated by former US President Donald Trump in July 2018, the US-China tech war is the latest battlefield in the competition for technological dominance in the digital era.