The impact (people reached) infobox on the profile page is a motivating feature. Any plans adding a similar infobox on the network profile to display the total people reached across all SE sites?
Agreed 200% with Heidel's answer. For an easy and far reaching global statistic, that's a very good place: under "Communities" on every profile on any site account.
To get your global number, check this answer by Rene (SEDE query).
I guess the feature request in question here has a tiny audience, but I'm counting it's a tiny vip crowd that would fancy a lot to see something like this: