User
If you just start typing a person name in the Facebook search box(displayed in blue upper bar on your profile) then suddenly within a fraction of a second search results appear and they comes much more faster if that person already exist in your profile.
so i just want to know that what is behind this search.i mean to say that which software tool and algorithm they are using for it.
i know that no one other than Facebook can explain exactly about it thats why i am just asking to give me an idea about that.
i am sure that they are using something which is open source.
General Tech Technology & Software
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