Ticker.app is just like a ticker. It reads a file that is specified
by the command line, and displays each line in a viewing area
periodically. It rereads automatically when the file has been
modified. If you run in a tail-mode, it ticks only the last line.

WWW: http://www.sh.rim.or.jp/~ssato/dockapp/index.shtml#ticker.app
Author: Seiichi SATO <ssato@sh.rim.or.jp>