Dive summary:

• It is expected that half of U.S. companies will, within a few years, get their office space down to the European average of 100 square feet per person – or less. Obviously, that means reducing the size of construction projects.
• Corporate offices are unlikely to disappear, however. Most people want a place where they can interact face-to-face with other people, and Gen Y workers want the ability to team with colleagues.
• For companies, offices let experienced workers mentor  those with less know-how and they offer a physical presence that is part of branding.

From the article:

Lately, there has been much talk about the future of office space–its size, shape and relevance. In this semi-post-recession time, where technology makes connectivity possible from almost anywhere, is a physical office still necessary?  ...