“…A key concern is the limited consideration for human (e.g., gaze, speech, haptics, sound, full-body) and technology modalities (e.g., pen, sketch, multi-touch surfaces), compared to the classic desktop-mouse-keyboard setups [36,54,65,66,74]. Beyond modalities, visualization systems are often not flexible when users want to express complex data queries [16,54,66,120], integrate annotations [39,54], input new data [21], bookmark and extract insights [39], iterate over their activity history [39,84], organize freely elements of the layout [54], choose their own statistical [37,54] and visualization models [54,79,100,102], and collaborate in real-time [39,54].…”