Gartner - Gartner delivers technology research to global technology business leaders to make informed decisions on key initiatives.
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
IDC - The premier global market intelligence firm.
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
GigaOM - GigaOm is the leading global voice on emerging technologies.
Apple Numbers - Numbers lets you build beautiful spreadsheets on a Mac, iPad, or iPhone — or on a PC using iWork for iCloud. And it’s compatible with Apple Pencil.