338 SELLING LATIN AMERICA avenues. Another element which militates against the universal use of the “flash” sign is the fact that they are apt to get out of order and mechanics experienced enough to repair and keep them in operative condition are not numerous in these localities. It therefore fol lows that for some years to come, the fixed electric sign would be the more ideal for this section of the world. I doubt if any business house in any part of Latin America is really familiar with the value of the follow-up letter system such as we use so satisfactorily in the United States. I am certain that its introduction and regular use will be found profitable in developing any line of trade, especially when intended for those who in the course of a year receive com paratively little correspondence. With regard to advertising rates the Latin American publisher is becoming more con sistent of late. Time was when he asked $600.00 a year and took $60.00. To-day he keeps closer to an established price, although diplomacy and politeness can accomplish