In enterprise software land, now everyone brings their own device, web applications are more important than ever. A company selling SaaS might hope to support

In enterprise software land, now everyone brings their own device, web applications are more important than ever. A company selling SaaS might hope to support HTML, Android, and IOS, but not Windows Phone / 8 / 8 RT, nor Mozilla Phone, and oh wow, different form factors for each device. So if you are a bank, and you want to write an expense program for your field people, and don't buy a SaaS because politics, you will be writing in in HTML. This won't change for a decade.