I’ve been paying $20/year for 80GB storage for years because I was paying to have my Picasa Web Albums store all my full resolution photos. For years I’ve seen different storage totals and usage in Gmail vs Drive/Picasa/Google+
Even today, right now:
Gmail is 58% full – Using 52.7 GB of your 90.1 GB
Drive is 35% full – Using 30.5 GB of 86.0 GB
I never understood the difference or could figure out what the hell was going on, so I appreciate this continuity when it rolls out.