22 January 2021, 8:26 am EST By Signal became even more popular ever since WhatsApp updated its data sharing policy, requiring the users to agree that Facebook can have their personal information. However, it created a backlash instead, forcing a huge number of users to look for alternative apps. (Photo : Photo by Tomohiro Ohsumi/Getty Images) TOKYO, JAPAN - FEBRUARY 13: A man wearing a face mask uses a smartphone as he walks on a bridge at night on February 13, 2020 in Tokyo, Japan. At least 219 passengers and crew onboard the Diamond Princess cruise ship have tested positive for COVID-19 making it the biggest centre of the virus outside China. Japan has also so far diagnosed 28 other people with the illness, some of whom are evacuees from Wuhan, and has announced measures to ban entry to foreign travelers from Zhejiang alongside an existing ban on non-Japanese nationals coming from Hubei.