talk equal

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-a closed curve forms the conversational area

-the shape of closed curve is defined by the number of participant
-each participants has their own area of petal shape

-the area of each petal increases and decreases in proportion to the amount of talk of its owner
-the total area of closed curve is fixed

-when one participant dominates the conversation and the petal gets too big, the text becomes dimmer and illegible
-the background color changes warning of the dominancy of conversation
-the background color aslo helps making the dominant text illegible

-the invisible text prevents the dominant participant from continuing talking until the size of overall petals recovers its balance
-because of the invisible text, other participants have more chance to talk while the petals recover the balance
-as the petal size recovers, the background color and the intensity of text color recovers as well