NEW YORK TIMESIowan Ben Silbermann’s Pinterest may be a unicorn, but investors are frustrated over the platform’s cautious trajectory. The native Des Moines-ian is known for his low profile and “measures twice, cuts once” sensibilities, as the profile reports. Pinterest doesn’t intend to be an argument for the slow-growth mindset, but it might be the best model out there. 

IN OTHER NEWS: Facebook launches brand-safety function for advertisers (DIGIDAY); Elon Musk, with apparently plenty of time on his hands, teases Tesla-connected smart air conditioners (DIGITAL TRENDS).