Looks like you can get a share of the profits from trading fees - which is an interesting business model.
I won't spam y'all with my link - am certain that would get a downvote - so, instead, will just point you in the direction of http://wcex.co.
Their timeline and roadmap? Well, to be honest, they don't look too aggressive - that's something that has gotten a few ICOs in trouble in the past.
Here's a screenshot from the website.
I'll do a more in-depth analysis in the days to come on the Metacoin site, but, rest assured, there will be yet another player in town.
Seems like it could be a scam.
The referral element - get tokens for inviting others to get tokens - is very much MLM. So, from that standpoint, I'm right there with ya.
However, I would imagine that these exchanges will keep growing - just as long as there is actual crypto trading going on. Which could be forever, or it could be just until someone pulls the plug.
I mean that literally - someone will have to literally pull a literal plug to literally shut down the internet.
Exchanges might be profitable business models if done right, or they could be really crappy - and there are many people who swear at Poloniex.