50 Greatest Gadgets of the Past 50 Years

Is your favorite gadget listed in PC World's
"50 Greatest Gadgets of the Past 50 Years?"

The e-zine's editors selected the top fifty, which "had to
be relatively small (no cars or big-screen TVs, for example),
and ...whose digital descendants are covered in PC World
(cameras, yes; blenders, no). [Items were] rated..on usefulness,
design, degree of innovation, and influence on subsequent
gadgets, as well as the ineffable quality we called the "cool
factor." The Sony Walkman ranked #1.