Microsoft Office
| Field | Information Worker |
| Went Obsolete | Never |
| Made Obsolete By | There's some competition from on-line solutions and OSS alternatives, but most companies are standardized on Microsoft Office |
| Knowledge Assumed | A fondness for Clippy |
| When useful | When writing papers for school or working for most companies that require memos, presentations, spreadsheets, and other basic office documents |
Even Sun and Google wouldn't try and claim the program is obsolete. It's the current market leader.