I'm trying to determine when drag and drop of data to a graphics field to produce a graph of the data was first (a) used in Excel, (b) used anywhere, and/or (c) written about. I believe it appeared in Excel 97 so it would seem that it was known prior to that timeframe. (I'm particularly curious if this feature was implemented or described in 1996 or earlier.) If anyone has any documentation they are willing to share or to point me to that would be great.