So how can brands join the virtual conversation?

FORBES: By Tim McMullen

Mimicking conversation in a virtual room required the Bell Labs teams to process multiple incoming video and audio feeds and handle superfast 3-D.

FORBES: Magazine Article

Either way, this brings up an important conversation about how much is too much when it comes to virtual work.

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People can interact with Nina, the virtual assistant for customer service apps, and carry on a complex set of instructions within the same conversation flow.

FORBES: Will Nuance's Nina Do What Apple's Siri Won't?

When engaged in a cell-phone conversation, people between the ages of 59 and 81 were less likely to successfully cross a virtual street within 30 seconds than their younger counterparts, the study found.

CNN: Multitasking and crosswalks a risky mix for elderly