I tried searching more about google ghost but unable to get information about it. Is that really exists?

google ghosts come under algorithms which are responsible for detecting site's spammy links and duplicity i.e.panda and penguin

If google ghost is not an official update then this fact will decrease google SE users and SEO workers. In near future SEO will be the one most complex process then Programming.

i am not sure about it..

Well, I don't think that there's any Google update named Google Ghost if there's any then I am sure it might be published.

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I don't know about the google ghost , but google releae his update very sooon . So may be this new update name google ghost ,

there is no any description about the google ghost? please guys you dont know then please share from where you get this information