R is a 14 year old girl and has been promised a new computer for her birthday. Her school friends have popular hand-held models which are very intuitive to use with an eye-pleasing interface and design. Her parents want her to have a cumbersome personal computer which has to be situated at home as it will be more secure and easy to upgrade in the future without replacing the whole unit. R would prefer the computer her friends have. Which influence is R demonstrating?