CNET Says What Might Be at iPhone OS 4 Event Today / Why Google Might Welcome a Mobile Ad Platform From Apple / The Web Discovers AdLib Web App Framework for iPad / iSuppli Puts Apple Gross Margin on iPad Between 48 and 52 Percent / UBS Analyst Um Likes iPad Long Term and iPhone Short Term / Camera for iPad App Turns iPhone into Camera for iPad / TSA Says iPads and Other Tablet Type Devices Should Be Fine in Carry Ons Through Security / Fortune Looks at the Rules for Returning an iPad / Gartner Says Over Half of Computers for Kids to Have Touch by 2015 / Apple Authorized Reseller iStore Opening in Woking Surrey This Weekend / CNBC Hears Rumors of Possible Leveraged Buyout of Palm by Lenovo