Google Calendar - If you hide several calendars in the list, options menu for the next calendar will default to hide when you expand it.
/via Marina Janeiko
West Elm - Gives you the option to just dial down email frequency when unsubscribing from their newsletter.
/via Jacob
Thunderbird - When receiving a message from a mailing list a “reply list” button replaces the “reply all” button.
/via Jordisan
