• Problem: Folder named Attachment or Email Attachment ¹⁾ is created.
• Solution: Problem happens because of Outlook email service. Go to Options → Attachment options → Attachment preferences
  and Select Always attach them as copies.
• This option are useful if you are wonderful user of Outlook. However creating unexpected folders are definitely annoying thing to me.

When user wishes to log in as a specific account, add URL parameter name of authuser

Examples are as followings:

Access oogle services logging in as username myaccount@gmail.com

  https://drive.google.com/?authuser=myaccount@gmail.com 
  https://gmail.com/?authuser=myaccount@gmail.com 
  https://plus.google.com/+OtherUser?authuser=myaccount@gmail.com 

hl parameter is useful to fix screen language.

To get Korean language in screen in Google Plus, add hl=ko parameter

  https://plus.google.com/?hl=ko
  https://plus.google.com/?hl=ko&authuser=myaccount@gmail.com  

Useful to make a shorten link or direct link.