Google spreadsheet

Picture in courtesy of Google
I'm sure you've noticed that Google has an online planner for us. Access your planner anywhere as long as there's an internet. Share meeting schedules with others, allow them to add in details into your schedules and send reminders to yourself on important dates and tasks.

Well now there's Google spreadsheet. It works exactly like an Excel spreadsheet. The only difference is that you can access it anywhere and you are able to share the spreadsheet with people whom you need to share it with. You can also perform such tasks as group editing at the same time from anywhere in the world. Now how cool is that?

It's still in beta and you won't find it yet but here it is:
http://www.google.com/googlespreadsheets/tour1.html