Newer Opportunities - If we see at larger societal level, virtual teams have created newer opportunities for people who are less mobile and hesitant to relocate due to either family requirement or physical challenge. Now any task that does not require the physical presence of a person and which can be supported by communication technology throws an opportunity for many deserving candidates.
chatter pal radio
Reduced Time to Market - Since the members span the time zones, there could be different team working on the same project 24*7, so when one member sleeps there will be another one somewhere else who would start work where the former had left. This shortens the product development time as well as faster response time to demands in both global and local markets.
I doubt many companies like or prefer that employees work from home. We allow the policy in order to be able to attract employees who would otherwise go elsewhere. We are heavy users of Slack, Confluence and other collaboration tools that make working at home more productive, but they cannot replace the serendipitous interactions that occur while hanging out by the nitro-coffee keg. - Manuel Vellon, Level 11