The Early Alphabet (™) in Third Millennium Syria? Or, Spelling it Out, Lightly Baked Edition

Some lightly baked clay cylinders from a late third millennium tomb in Syria have alphabetic markings. They’ve got us thinking. Does this mean -the- alphabet originated hundreds of years earlier than we thought? What is -the- alphabet anyway? Why did we think we understood any of this? Who, in fact, is lightly baked in this scenario?