Twitter — When you lose your internet connectivity, you’ll get an option to copy the text that you’ve typed to DM someone on Twitter.
Google Docs - The capitalization options in the ‘Format’ menu are demonstrated in the capitalization names.
/via Eyal Shahar
Outlook on Mac - When someone @ mentions your name, Outlook will skip to that line when showing a short snippet in your inbox.
Google Docs - When you rename an Untitled Document in Google Docs it takes the first line of the document as a suggestion for a title. Text is highlighted so one stroke of Delete key and it’s gone.
Google Calendar – When you select one day on Google Calendar it recommends dinner, when you select a week, it recommends a vacation
Google live sports reporting - There’s a moving green line underneath the ‘Live’ label to indicate and reassure the user that the page is active and reporting the live scores.
/via @sophieriches08
Google Forms – Can tell from the language in your question that you will want checkboxes, and changes the question type automatically.
/via Jack Hallahan
StackOverflow – When you upvote an answer, a tooltip appears if you haven’t upvoted a question in a while.