Vanishing Volumes of Voicemails

Link: http://enterprise-it-architecture.blogspot.com/2011/06/vanishing-volumes-of-voicemails.html

From Enterprise Architecture

I used to get a ton of voicemails, dozens everyday; so many that even after I had responded to all of them and gone home, by the next morning there would be another three waiting.  But, not any more.  At first, I was worried.  Was I no longer in the hub of activity?  Were people finding better answers through other sources?  Should I consider this a value metric which is heading in the wrong