those are first day sales. first week are different.
Both week 1 = 5 days.
WD opened bigger in day 1 so I'm sure at least week 1 it will stay bigger... so near/over 3.5m week 1 for WD including digital.
2 million is out of question... it did that in day 1 easily.
The PS4 leaderboards showed over 1.3m users in less than one week.
