Bilibili is an original video plus animation platform(it includes app and website) with its identical feature called bullet comments(flying comment on the screen sent by the viewers), forming community culture and topics as the viewer interacts with the platform. It contains a wide variety of videos and categorizes as many sections, such as education, living, finance, etc.

Instagram is a social-networking platform where you connect communities with digital contents. With years of iteration, it has advanced many features to cater different user groups and evolved into a marketing and merchandising channel. This design critique will discuss v 172. iOS app version in Asia Pacific as some features may not be available in different

GoodNotes is a popular note-taking app on iPad that can make handwriting notes searchable and easy to be archived. It is also useful for taking notes or making marks on PDF files, images, and more. It can also automatically sync the files through iCloud to all devices. This critique will focus on the App on

Insight Timer is an “app for sleep, anxiety, and stress”, offering a meditation timer and a wide variety of audio recordings such as guided meditations and relaxing music. This critique used version 15.12.0 of the Android app on a Google Pixel 4a phone. App Starting Screen When a user opens the app, they are greeted

Adobe Acrobat is an application software available in both Windows and macOS for people to view, create, manipulate, print and manage files in pdf. This article would critique the usability issues when saving and retrieving a starred file in Adobe Acrobat based on the framework mentioned in Don Norman’s The Design of Everyday Things. 1)