How did the first iPhone make every other phone look suddenly old?

How did the first iPhone make every other phone look suddenly old?

In “Steve Jobs Keynote 2007 – First iPhone Presentation (Full 80 Min. MacWorld),” Jobs introduces the iPhone as one device combining a widescreen iPod, a mobile phone, and an internet communicator, then argues that its multi-touch interface, OS X-based software, full web/email/maps experience, iTunes syncing, sensors, carrier collaboration, and pricing strategy are meant to reinvent the phone rather than merely improve smartphones.