* Puffin is blocked in some international locations (e.g., China, Saudi Arabia, United Arab Emirates) and by some faculties (e.g., in United States).
* Puffin ຖືກບລັອກໃນບາງປະເທດ (ຕົວຢ່າງ: ຈີນ, Saudi Arabia, United Arab Emirates) ແລະໂດຍບາງໂຮງຮຽນ (ຕົວຢ່າງ, ໃນສະຫະລັດ).