Who Among the Following Can Be Regarded as a Laggard

Who among the following can be regarded as a laggard according to the diffusion of innovation theory?

A) Natalie, who buys products after carefully reviewing the benefits of these products
B) Albert, who is tech savvy and owns most of the new gadgets released into the market
C) Emily, who still listens to songs on cassette tapes despite the advent of CDs and MP3s
D) Harris, who buys products after a few months of their release to obtain discounts on the products because of competition in the market
E) Taylor, who buys products because the majority of his friends already own them