Jane Dough writes: "Joyce Park, aka 'Troutgirl,' is the co-founder of PandaWhale, a site that allows users to save their favorite nuggets of Internet goodness for posterity. PandaWhale saw growth in 2012 along with other interest-based social networks like Fitocracy, and All Things D noted that the increasing prevalence of mobile apps will likely contribute to the further success of sites like PandaWhale (as well as a new crop of imitators) in 2013. It's the zeitgeist, man!"