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the dierent team members and indeed, although all the participants had programming
in their backgrounds, both members of the AmberPoint team currently held positions as
“interaction designers” while the Adobe and Intuit teams were soware engineers, so-
ware architects, or soware project managers.
17.4.4 Multiple Representations Are Used
It is clear from the analysis of the designers’ activities that they made considerable use
of the whiteboard. is is shown in the time line in Figure 17.4. Marking and gesturing
tivity domain