US Patent 11397970 Visual designation of a zone in rendered code

A method of operating a computing system capable of allocating an advertisement budget of campaign between a plurality of advertisement entities, the method comprising: obtaining by the computer system, for each of the plurality of advertisement entities, a respective optimal target frontier function representing for each given advertising cost an optimal value of return and configured to follow the law of diminishing return; receiving by the computer system a budget constraint for the advertisement budget; generating, by the computer system, a global target frontier function by summing each of the received optimal target frontier functions; processing, by the computer system, the generated global target frontier function to determine for each of the plurality of advertisement entities an optimal, with respect of at least the received budget constrain, advertising cost value such that a sum of the optimal advertising cost values meets the budget constraint; and reporting the determined values.