It follows the arc of most things including Quora and somewhat generally other popular ventures like Snap, Facebook, MySpace, AOL/AIM, and CompuServe. The initi

It follows the arc of most things including Quora and somewhat generally other popular ventures like Snap, Facebook, MySpace, AOL/AIM, and CompuServe. The initial Cambrian explosion slowly changes from cool obscurity to hype as time goes on and the shine fades. There's also a supply and demand problem of double-ended Q&A sites: there's rarely direct incentives to give away subject matter expertise. There are indirect incentives such as reputation, but behind nicknames, this doesn't necessarily translate into industry reputation. Furthermore, there are potential human language and subject matter terminology difficulties of throwing geographically-, and industry-diverse groups of users together. The platform should attempt to ameliorate language differences and steer user-contributed content away from devolving into ego battles, bikeshedding, nitpicking, or handwaving.