Although in the case of Hong Kong, neither Pinyin input nor Zhuyin input are likely to be used, as both are based on the phonetics of standard Mandarin Chinese.

Although in the case of Hong Kong, neither Pinyin input nor Zhuyin input are likely to be used, as both are based on the phonetics of standard Mandarin Chinese. There are alternative input methods that are shape-based (https://en.wikipedia.org/wiki/Chinese_input_methods_for_computers#Shape-based https://en.wikipedia.org/wiki/Chinese_input_methods_for_comp...) such as the Cangjie, and Cantonese-only input methods.