New Computable Document Format is designed to turn documents into interactive applications, but determining how it relates to and competes with existing PDF format will be a challenge.
Sharepoint is the biggest threat to open source.
World Wide Web Consortium's Compound Document Format not suitable for Office-style applications, according to standards watcher Andrew Updegrove.
The document format sagas continue as ODF gets competition from the W3C's Compound Document Formats.
John Sculley, who ousted Jobs from Apple, offered praise after his death. Also: tributes from U.K. leader David Cameron, mathematician Stephen Wolfram, and an XKCD cartoon.
2007 brought a rash of changes to the open-source