No, chances are you'll still want to share it on Twitter, HN, or whatever other locations you have an audience with. The benefit is that I may be reading an article about natural language processing and then after it is done, your article about NTLK pops up near the bottom with a catchy title and then I decide to go to it and read it. All this while you and I have no networking connections whatsoever, yet you gained me as a reader.