ex-BTC-e. It's not a small exchange, especially for Namecoin - its trading volume on Wex amounts more that all other exchanges together (Poloniex, Cryptopia, Altcoin Trader) and the only one to offer a fiat pair for NMC.
Despite Namecoin had a good start and the community, mostly cryptoanarchists at that time, expected it to become a truly immutable DNS service - I sincerely doubt it will ever regain at least a fraction of that faith. The time Namecoin has had to prove valuable and usable - passed away.
If Namecoin had followed the path Darkcoin did - being aggressively ran by a
large team of keen developers and marketers, we wouldn't have now lamented how poorly has Namecoin withstood the Bitcoin run and lagged behind the entire altcoins run.
proving something is useful is different that using it.. lol
Pretty sure namecoin proved it was useful.
Remains to be seen if coins will decentralize the internet.
Right now Namecoin is touching its highs for market cap in the last couple years and the technicals look good.
Here are the only downsides I see.
a) It was associated in some way with somebody who was a hacker or something on btc e, not sure what that story is, but possibly might put some people off.
b) It is the only coin, as far as I know, that takes a deliberate dig at a state government, and is likely to be targeted by that government.
1) Aaron Swartz is potentially the most powerful recent symbol of government intimidating honest people. He was a brilliant tech type, an honest guy of the highest integrity. The U.S. government tried to dig up a fake crime so they could bully him into working for them. He declined. there is no doubt a lot of effort has been put into preventing his story from becoming a legend. The U.S. government, and many other governments, make an industry of criminalizing honest people, then forcing those honest people to criminalize their friends so more and more people are under the control of a bunch of petty gangster punk thugs who are not able to compete with integrity. Aaron swartz is potentially governments' worst nightmare and Namecoin is one of his last footprints, so far.
2) The United States has control of the internet. The U.S. government can remove any website in any country, or do it as a favor to an agency in any country, and typically that power is not used in a benevolent way. Namecoin could become a threat to that power and it is likely the U.S. government, and others, are active in trying to hobble Namecoin.
Namecoin, and crypto generally, are not threats to honest people. They can be used to progress a lot of things that need progressing.
Whether this coin will overcome the threats, who knows.