Modern visualization software and programming libraries have made data visualization construction easier for everyone. However, the extent of accessibility design they support for blind and low‐vision people is relatively unknown. It is also unclear how they can improve chart content accessibility beyond conventional alternative text and data tables. To address these issues, we examined the current accessibility features in popular visualization tools, revealing limited support for the standard accessibility methods and scarce support for chart content exploration. Next, we investigate two promising accessibility approaches that provide off‐the‐shelf solutions for chart content accessibility: structured navigation and conversational interaction. We present a comparative evaluation study and discuss what to consider when incorporating them into visualization tools.

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Post-mortem storytelling, a process of remembering deceased loved ones has attracted research attention from the HCI research community recently. Much work done by the community covered most aspects related to the use of social networks. However, little is known how social networks could have limited how bereaved persons are willing to express themselves. In light of this, this doctoral thesis is aimed at investigating how mobile digital storytelling could be designed to support people grieving in private and social spaces and evaluate them extensively.

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