1. Already doable to a significant extent http://www.google.com/search?q=excel+python http://www.google.com/search?q=excel+python 2. Well, Google does this :)

1. Already doable to a significant extent http://www.google.com/search?q=excel+python http://www.google.com/search?q=excel+python 2. Well, Google does this :) 3. Follows from 1. 4. Good idea, but why not just use this: http://www.google.com/search?q=spreadsheet+widget http://www.google.com/search?q=spreadsheet+widget Or http://docs.google.com/support/bin/answer.py?answer=55244&topic=15170 http://docs.google.com/support/bin/answer.py?answer=55244&#3... 5. Already easily doable in Excel http://articles.techrepublic.com.com/5100-10878_11-6115870.html?part=rss&tag=feed&subj=tr http://articles.techrepublic.com.com/5100-10878_11-6115870.h... In Google Spreadsheet, just use: =GoogleFinance("GOOG"; "price") ------ And I hope Google is working on a REPL for Google Docs where you can interactively run any language on your spreadsheet. :-)