I just wrote an email in gmail, which included an attachment.
I clicked send, when a popup came up and told me that there was no attachments, which was strange because I had specified in my message that a file was attached. It asked me if I wanted to attach a file before sending.
I had forgotten to attach the file.
As someone who has sent many business emails/CV's and forgotten to attach the file that the email was all about, this is a game changer.
I still cant get over it. Life will never be the same.