PR Agencies on Pinterest

We are seeing more and more PR agencies being active in new, and perhaps unexpected social media channels. According to the Umpf blogg, there are now an increasing number of Pins on Pinterest with PR-related stories and images, not to mention dedicated PR-related boards. The Swedish PR agency Jung Relations has its entire digital household on Pinterest, thus being one of the first not using an ‘ordinary’ web page as its home (however, with not following anyone else on Pinterest it is hard to see the sense of it at the moment). Is it the beginning of a wider trend? Could Pinterest eventually, (and with som much needed improvements and updates) become even bigger than the giant Twitter?  Some seem to foresee it: