You should replace email with collaboration software. Email is out and social collaborative software is taking its place.
Back in 2011 I wrote a blog post about how social networking software is taking over email as the primary means for communication. This is a follow up post that explains why you should now, finally, replace or at least try to reduce how you use email in your business.
In years past, most business professionals would come into the office and check their emails first thing in the morning before starting the day.