Tinder Had Largest Growth Day in History in 2016

January 3, 2016 was the largest growth day for active users in Tinder’s company history, prompting a push notification for existing users.
According to an article on Tech Crunch:

On January 3, three sad days after folks celebrated the New Year by sharing a kiss with a lover, Tinder had its biggest growth day in its history, recording the most downloads in a single day ever and the most growth of active users in a single day.
Which explains why you might have received a push notification promising 2x or 3x the likelihood of a match in your area this week.
The notification says the following:
Wow! Tinder is on fire in your area! Chances of a match are 3X higher right now (flame emoji)
We reached out to Tinder to get more information, and CEO Sean Rad explained that Tinder is experimenting with these types of push notifications to alert users of a higher match rate.
Rad describes the match rate as the number of swipes it takes to get to a match. If that rate goes up in a particular geographic region by more than a certain percent, Tinder will start letting users know about it.