There is a LOT that can be done with free online services — sometimes things that probably go way beyond what the service creators envisioned.
I tried to find a video of Space Invaders created in Visicalc or Lotus123 — I know I’ve seen such things, but couldn’t find any videos of them right now. Oh well.
Today’s nifty thing is using google docs to monitor your websites and email or text you if the website isn’t up.
You can track any number of websites with Google Docs and it will send email /text alerts in case of any issues. And this DIY website monitoring tool is absolutely free.