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It doesn't show full e-mail addresses.
Now I don't know about you, but I have a number of contacts with multiple e-mail addresses. My advisor has two, and another professor also has two. One of my close friends has at least three. I, personally, have four.
So just seeing "Bob Smith" does not tell me who I'm sending to. I'd rather not see any name "Bob Smith" at all. I'd rather just see e-mail addresses: "Smith.Bob@hotmail.com, Bob.Smith@gmail.com", "bobsmith2134567@yahoo.com", and so on. I'd rather see these.