Variables provided:
<table cellpadding=3 cellspacing=0 border=1>
<tr><td>%npc</td><td>A holographic 'blank' to be molded as you wish</td></tr>
<tr><td>%player</td><td>The player being advertised to.</td></tr>
<tr><td>%location</td><td>The train car or station</td></tr>
</table>
Example holographic ad:
<font size="3"><code>
uses $holographic_advertisement_script
create $room "%offstage"
rename %npc to "a Holographic EbolaCola Can"
describe %npc as "A holographic picture of a soda can painted in the bright red and blue colors of EbolaCola."
move %npc to %location
to %player "Drink me! You'll love EbolaCola's refreshing taste!"
pause 5
do ".buzz irritatingly in front of %n for several moments."
pause 5
to %player "Drink me! You'll love EbolaCola's refreshing taste!"
pause 5
do ".fade away."
move %npc to %offstage
pause 5
tell %player "For some reason, you suddenly get a craving for an EbolaCola."
</code></font>