In celebration of Safe Internet Day 2016, which takes place tomorrow – February 9th, all users who complete Google's "security check" will get a free 2 GB Drive storage bonus.
?Safe Internet Day (SID) organized by Insafe in February each year to promote safer and more responsible use of technology and mobile phones, especially among children and young people around the world,? says Safer Internet Day.
To check if all your security options are up to date, just follow the steps in this link to the end. A message (see below) inform you about the inclusion of the new space in your account.
Note: Google didn't tell you if the extra space will be permanent or promotional for a limited time.