Log in to Microsoft Outlook Live Hotmail account today and saw the message flash. It mentioned that it will discontinue the multiple linked account feature. The message didn't show again after I re-login. Looks like in the webmail world of Microsoft and Google, lots of changes were happening!
Google decided to merge the storage partition of Gmail, Drive and Google+ Photos (Picasa), which seemed rather convenient, and now Microsoft decided to disable the linked account feature, which was rather inconvenient but improved security.
In the online world, there is always this trade off between convenience versus security and they are usually mutually exclusive. If you want more convenience, you will get less security and vice versa. Knowing that black hat hackers are constantly probing and attempting to break into any online systems and email accounts, and losing your email was a big deal especially if it was your main account for banking, password recovery and other important correspondence. I suppose giving priority to security over convenience seemed like a logical choice.
This came a surprise to me when I found that I have 15 GB free Google Drive storage. However after digging around the information online and on closer inspection of my account, this was not really an increase but rather a combining of storage from the various storage. Some blogs said the Drive storage account was increased because it felt like you gained 15 GB of Google Drive / Picasa storage and 15 GB of Gmail storage. So let's look at this closer.