I think it makes more sense to charge for a service, more than an an application. I think applications are seen as 'Products you own'. It might not be true. Ev

I think it makes more sense to charge for a service, more than an an application. I think applications are seen as 'Products you own'. It might not be true. Evernote for exmaple charges for the cloud storage and services provided by their web app and cloud implementation, the iphone app is really just another channel.