Facebook-style likes and mentions are coming to Microsoft Outlook in the web browser, the company announced this week in a blog entry.
Basically, you'll be able to "like" an e-mail in a chain, and those likes will show up to everybody in the e-mail thread. Microsoft says this is designed to highlight the most important, relevant messages in a thread for further discussion.
Microsoft
There will also be mentions.
Type an "@" sign before someone's name within an email, just like on Facebook, and they'll get notified that they've been involved in the discussion. That "@" sign will also appear next to the subject line if you've been tagged in an e-mail.
Microsoft
Mentions on Microsoft Outlook.com
Right now, likes and mentions are only coming to Office 365 users in businesses who are on the early release track. But eventually, Microsoft promises (or threatens), it'll come to the desktop versions of Office, as well as the iOS and Android versions of Outlook.