Announcements by SAP, salesforce.com and others to write apps for iPhone. In 2007 we experienced some real progress toward the Mobile Broadband breakthrough, or the tipping point. believe we need to see progress in five areas for the breakthrough to really happen: Applications. Devices. Network Speeds. Affordable TCO (total cost of ownership). Battery Life. Of these categories, I believe we saw the biggest improvement in Devices , and the greatest near-term hope in Applications. The category-by-category progress for 2007 looked as follows: Category. Progress. Dashed Hopes. Overall.