I feel like the next major advancement in spreadsheets is nested hierarchy.
Specifically, iTunes (especially the older interface from iTunes 5 to 10) allowed for Playlist Folders and Smart Playlists.
Workbooks can have several sheets, but not in a nested structure. Same with SQL databases and tables. If I want to organise data (e.g. Country > Social group > Friend name/email/phone number) then it's easy to do in iTunes but difficult with typical Contacts apps.
Web browser bookmarks are pretty good, but the end object has only 2 fields (name and URL). So what I do is I have a fake-radio track object in iTunes, with all the extra tags. Double-clicking it loads a page on localhost, which launches a PHP script that then opens a URL in my browser (for the friend list) or document.
Specifically, iTunes (especially the older interface from iTunes 5 to 10) allowed for Playlist Folders and Smart Playlists.
Workbooks can have several sheets, but not in a nested structure. Same with SQL databases and tables. If I want to organise data (e.g. Country > Social group > Friend name/email/phone number) then it's easy to do in iTunes but difficult with typical Contacts apps.
Web browser bookmarks are pretty good, but the end object has only 2 fields (name and URL). So what I do is I have a fake-radio track object in iTunes, with all the extra tags. Double-clicking it loads a page on localhost, which launches a PHP script that then opens a URL in my browser (for the friend list) or document.