included. Numbers 2.0 was included with iWork '09, with several improvements. Charts that are pasted into Keynote and Pages are automatically updated across documents when they are changed in Numbers. Additionally, Numbers 2 lets users categorize data in tables by column, which can then be collapsed and summarized. Numbers 3.6 added in the ability to open Numbers '08 spreadsheets, among other things. Web services iWork.com iWork.com was a free service that enabled users to share iWork '09 documents online directly from within Pages, Keynote and Numbers. Users could click the iWork.com toolbar icon and login using their Apple ID to upload a document and invite others to view it online. Viewers could leave comments and notes on the document and download a copy in iWork, Microsoft Office, or PDF formats. Document owners could track comments at the iWork.com website. It was released as a public beta on January 6, 2009 at the Macworld Conference & Expo. The iWork.com service provides a web interface for viewing, downloading, and commenting uploaded documents. In contrast to cloud-based office applications such as Google Docs and Office Online, it did not offer editing. iWork.com supported uploading of Pages '09 documents, Keynote '09 presentations, and Numbers '09 spreadsheets. Users could download documents in both Microsoft Office and PDF formats, in addition to their native iWork formats. Uploading documents to iWork.com requires a copy of the iWork '09 software suite and an Apple ID. Viewing, commenting, and downloading require only a web browser and an invitation to view the document. Apple announced that after July 31, 2012, users would be no longer able to publish new documents to iWork.com from any iWork application. Documents stored on iWork.com will not be available to download or view after the shut down date. Instead, users can use iCloud to share documents between their computers (running OS X Mountain Lion) and their iOS devices. Users attempting to access the iWork.com site are re-directed to the Apple homepage. iWork for iCloud During the 2013 Apple Worldwide Developers Conference (WWDC) keynote speech, iWork for iCloud was announced for release at the same time as the next version of the app versions of iWork later in the year. The three apps for both iOS and OS X that form Apple's iWork suite (Pages, Numbers, and Keynote), will be made available on a web interface (named as Pages for iCloud, Numbers for iCloud, and Keynote