Currently, color is used to differentiate email senders (red = Cornell address; green = gmail, hotmail, yahoo; etc). Add ornaments to the ships to more clearly represent this (e.g., perhaps a small antenna with the Yahoo logo on it or the Gmail logo, etc).
Currently, color is used to differentiate email senders (red = Cornell address; green = gmail, hotmail, yahoo; etc). Add ornaments to the ships to more clearly represent this (e.g., perhaps a small antenna with the Yahoo logo on it or the Gmail logo, etc).