Under account settings, you should now be able to pick the new language option from the drop-down menu near the top of the page. This will affect almost all of the typography across the Pinterest site, including links, the navigation menu and other options. Pin captions, user-submitted comments and pinboard titles will continue to be shown in their original language, however.
Hindi is one of the most popular languages in the world, making the top five in the 2007 edition of the Nationalencyklopedin. It’s particularly prominent in India and should make Pinterest’s service more appealing to native speakers.