Apologies for double posting, but just read the announcement, looks like it's for Import / Export (such as saving messages as Word docs).
Posts by undeadMonkey93
21 publicly visible posts • joined 31 May 2012
Outlook 2013 spurns your old Word and Excel documents
Outlook 2013 is still a standalone program*. I presume they're talking about Document Previews, where some attachments can be previewed inside the message pane of Outlook instead of launching them in the appropriate program (Word, Paint, etc.)
* There's also a web based Outlook (Outlook.com) more akin to Hotmail.
Phone-hack saga: Police cuff man in southwest London
Is it all over for UK.gov's G-Cloud 3.0? A footnote in history awaits
Nowhere to hide for Google users as Play is given Plus treatment
Youtube are pestering users to use their real name instead of screenname in certain areas.
You can still tell them to sod off for a number of reasons, such as your channel representing an organisation or being known primarily by your screenname (your tobuscuses, pewdiepies - shudder - and such). There is an option to decline but I'm not sure how long this'll remain a choice given this news.