Help for this page
Sets the keys for the legend. The elements of @legend_keys corresp
+ond to the data sets as provided to plot().
If a key is undef or an empty string, the legend entry will be ski
Throwing nuclear weapons into the sun
Making everybody on Earth disappear
A threat from an alien with a mighty robot
A new technology or communications medium
Providing a magic fish to a Miss Universe
Establishing a Group mind
Results (171 votes). Check out past polls.