A gentle reminder of human limitations during the drive up to SFO this morning – radio advertising urging listeners to “call 1-800-MEOW, thats 1-800-M-E-O-W”, where meow was spelt out letter by letter. What level of literacy can be assumed? Why does 1-800-gonorrhea get so few callers? To what extent does the word act as an effective fllter for those in the know. Like? 1-800-Auberdine