“Using Locations, Using Pictures to Represent Numbers, List of Words, 60-digit Number, Names and Faces, 60-digit Spoken Number, Deck of Cards in One Minute, 20 or 30 Decks of Cards in an Hour, 2000 or 3000 Digits in an Hour, 400 Digits in 5 Minutes, 150 Words in 15 Minutes, Binary Numbers.”