What was one result of advertisements like this one during the early 1920s? a large billboard reads, 50 foot lots here. 745 dollars and up. easy terms. tatum bros. company, owners and developers. 150-154 e. flagler st. miami. the poles holding up the billboard say ocean front, riparian rights, protective restrictions, pure water, electric lights, and paved streets. florida department of state division of library and information services the population of florida declined rapidly. people began visiting florida as tourists for the first time. companies stopped trying to sell air-conditioning to florida consumers. florida experienced a land boom encouraged by speculation.