Working remotely has been a popular perk for many employees, but some major companies are starting to bring workers back into the office. The CEO of Trello, Michael Pryor, discusses why his company's collaboration tools make its easier to work remotely. While big companies such as IBM are cracking down on remote working, Trello is seeing benefits from allowing 65% of its employees to work from home. After being bought by Atlassian, Pryor chats about how the two companies are making each other better.