In past two days we have taken a first look at Pages for iCloud and Keynote for iCloud. Both are great examples of Apple's software making prowess and reinforce Apple CEO Tim Cook's recent assertion that it remains ëlaser focused on product innovation'. Not being one for working with numbers, I was not particularly looking forward to looking more closely at Numbers. However, just as Pages and Keynote for iCloud will change your perception of what is possible in a web-based app, Numbers for iCloud will do exactly the same thing. Even if you've never used a spreadsheet before, you just might ac