Through their Yahoo network they found a startup subleasing some cubicles on a converted warehouse on Evelyn Ave. The whole other half of the building was occupied by Evernote, who would eventually kick them out to take up the whole building. They wore blankets for warmth and worked off cheap Ikea tables. Even then there was no WhatsApp sign for the office. “Their directions were ‘Find the Evernote building. Go round the back. Find an unmarked door. Knock,’” says Michael Donohue, one of WhatsApp’s first BlackBerry engineers recalling his first interview.