From the official Dropbox blog:
Clearly, open office layouts aren’t the hotbeds of creativity designers originally hoped they would be. And with office space at a premium, private offices for everyone isn’t a realistic alternative, nor is it ideal
It’s good that people are starting to wake up to the fact that not every workers want to work in an ex-warehouse building that’s retrofitted with hip wall decoration and aeron chairs with hundreds of people constantly walking behind and breathing down your neck. This might signal a decrease in headphones sale, too. Time to sell that Sennheiser stock.