This started as an email response to a contact in the occupied territories. Somehow, it struck me that there seem to be some similarities in the political situation shared by both of us.

Despite the advent of whiteboards 30 years ago, blackboards remain a common item in our everyday life, especially for teachers and students. Even in wealthier places like Hong Kong, they're still found in many primary and secondary schools. The main reasons, I venture to guess, are that they’re entrenched, and the low acquisition cost of the writing tools – Chalks.