- slack’s group chats must convert to channels if you want to add people
- shopee food group order
- after confirm your choice, it does not obvious to the user that the choice is registered
- you have to hit back, which feels like undoing, and the popup make it looks like a warning
- aws services naming
- label in batch script cannot span outside a block boundary, which mean there is a limit in the distance between where you mention the label and where the label is.