1 apollo guidance computer = 4,096 bytes ÷ 80 bytes per punch card = 51.2 → 51

• 80 bytes per card

1 apollo guidance computer = 4,096 bytes ÷ 280 bytes per tweet = 14.63 → 15

• 280 characters

1 apollo guidance computer = 4,096 bytes ÷ 140 bytes per text message = 29.26 → 29

• 160 characters, 140 bytes

1 apollo guidance computer = 4,096 bytes ÷ 2,953 bytes per QR code = 1.387 → 1.4

• max ~3 KB