Don’t be fooled by imitators; Siracusa’s is the original keynote bingo. Siracusa writes:
The way I see it, the most important part of keynote bingo is the card itself. The choice and arrangement of squares documents the hopes and fears of the card maker, and perhaps the larger Mac community, at a particular point in time. And the detailed definitions for each square provide important context for each prediction.
Both diagonals look like possible winners to me.