This is an example of an older animation technique. More of the same can
be found here:  ftp://ftp.wwa.com/pub/Scarecrow/Animations/  where one can
read the following:

.---<QUOTE>----------------------------------------------------------------.
|                                                                          |
|    These files must be "cat'd" or "type'd".  At a Unix prompt, type "cat | 
| FILENAME".  At a DOS prompt, type "type FILENAME".  Put the name of the  |
| file where I have FILENAME.                                              |
|                                                                          |
|   See Question 21 in the ASCII ART FAQ for further information.          |
|                                                                          |
`---------------------------------------------------------------</QUOTE>---'

("the ASCII ART FAQ" is the one written by Bob Allison)


One way to slow the animations down so they work on newer computers:

cat chase.vt | awk '{for(i=0;i<50;i++){};print $0}'