"Our team is continuing to investigate this issue. We will provide an update by 3/17/14 2:15 PM with more information about this problem. Thank you for your patience," read a status statement on the page.
TechCrunch had also reported that there was an issue with Google Spreadsheets, but that appears to have been resolved.
In the meantime, folks, stick to e-mail for your back-and-forth conversations with snowbound colleagues. Alternatively, it might be a good time to download WhatsApp.