Initially, instead of a swiping motion, users would click on either a green "heart" or red "X" to select or move on from the photos shown.
As of October 2014, the app was processing over one billion swipes per day, producing about twelve million matches per day.
Rad has also stated that Tinder filled a gap for social sites for meeting strangers, rather than connecting with people a user already knows.
By May 2013, Tinder was one of the top 25 social networking apps available on the web based on frequency of use and number of users.
The two later attended USC together and entered the Internet entrepreneurship field.
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In the app's settings, users have the option to type a word that suits their gender identity.
Users also have the option to have this displayed on their profile or not.
The average user would generally spend about an hour and a half on the app each day.
After transitioning from the clicking function Tinder initially used, Tinder became the first "swipe app", now a term to describe various apps that use swiping left or right to control what content the user sees in a browsing fashion.