I’m looking forward to the day that face-to-face conferencing through Skype, Google Hangouts, FaceTime, etc are able to be seamless without any lags, without frozen screens, and without any echoes.

I would also love for the technology to incorporate a sense of smell (and/or touch).  I recognize this will be further into the future; but how great would it be to feel like you are actually face-to-face sitting in the same environment as the person you are speaking with?

As great as collaboration is in an online environment, you are able to create a more meaningful experience with face-to-face interactions, being able to read the social cues that are lacking in a written form.