What is Signal and why is it trending?

After messaging application WhatsApp updates its privacy policy this year and revealed more on its data-sharing policy with Facebook, Signal has been trending on all social media platforms as more and more people are talking about it. Meanwhile, the stocks of Signal Advance, which has nothing to do with Signal, the one which is trending, surged 527% on Thursday and another 91% on Friday.

The Signal app on Saturday tweeted and clarified that Signal Advance and Signal app are two different companies.

Tesla CEO Elon Musk, who dethroned Jeff Bezos as the world’s richest person, asked his followers on Twitter to join Signal, which is an alternative to texting apps like WhatsApp, Facebook messenger etc.