In what way are low-level programming languages limited?
they tend to be slower than ones written with high-level programming languages.
the code must be translated into program code by interpreting or compiling.
they are much closer to human languages than high-level programming languages. (no)
the code has to be written for a specific computer and will only work on that one type of computer.
i'm between choice 1 and 2, may i have a second opinion?

Suppose you are an ad-serving company and you maintain a log of cookie data for ads you serve to the web pages for a particular vendor (say amazon). a. how can you use this data to determine which are the best ads? b. how can you use this data to determine which are the best ad formats? c. how could you records of past ads and ad clicks to determine which ads to send to a given ip address? d. how could you use this data to determine how well the technique you used in your answer to part c was working? e. how could you use this data to determine that a given ip address is used by more than one person? f. how does having this data give you a competitive advantage vis-à-vis other ad-serving companies?