Ever since VisiCalc (the first spreadsheet, which ran initially only on Apple II computers, and which drove sales of that machine), marketeers have been on the hunt for The Next Killer App -- a software so compelling that it drives sales of hardware and more software.
I think I just read about the New Killer App: Google Spreadsheets Live Data. Imagine a single spreadsheet function that returns Google search info:
The result is shown in a spreadsheet cell. And works only in Google's online spreadsheet. Another unique function retrieves financial data:
Reason enough to abandon Excel?