Selected answers from the Dumb SEO Questions G+ community.
Dave Elliott: No not even vaguely no Google, no bing. Only search engine that does is yandex. So if you want Russian traffic then go for it.
Gerry White: Some site search engines still use it, but otherwise nope
Travis Bailey: The only major search engine in the Western hemisphere that recognizes it is Bing. And to them, it`s just a spam sign - so it`s best just to ignore it.Yes, there are some small/niche directories/search engines that use it. But those generally don`t apply to the vast majority of sites.