It takes me 100x less effort to shoot, edit, &amp; upload a photo or video using an iPhone compared to the first $8000 Adobe Premiere PC rig I used to learn video editing, let alone comparing to the nearly useless PDAs (in this regard) of their day (and I loved my Palm Pilots &amp; Visors). Voice-to-text transcription today is immensely easier &amp; more accurate than writing with Graffiti input.<p>Instagram alone is evidence that there are immense numbers of people creating massive amounts of content on their touchscreen smartphones. Spreadsheets are super-niche content. Text, photos, &amp; video are mainstream content.<p>Compared to email on the desktop during the PDA era, I&#x27;d bet people communicate with other people much much more now via their smartphones, whether that&#x27;s through email, social networks, instant messaging, or video chat.