Office Web Apps vs. Google Docs

Here is the Google Spreadsheet Form that I was able to embed.

It also allowed me to make the results public if I wanted.

Here is the link to the Microsoft Excel Survey. I could not embed it.

I could not make the results public.

http://sdrv.ms/YiDB0C

I should have been able to embed the actual Excel Document but I don't think Google Sites supports that.