A new manager always drops a few hints in his first match in charge of a new club - and Louis Van Gaal's managerial debut for Manchester United was particularly interesting.
For one thing he used a 3-5-2 (or 5-3-2) formation that only Wigan have experimented with in recent Premier League seasons. With the Dutch team, Van Gaal made the switch because of Kevin Strootman's injury.
For Manchester United, there are more structural reasons to favour it - and we'll come to those later.
Whenever you win 7-0 it's always a pretty good feeling, even in a preseason friendly. But for Manchester United fans, a boastful group of serial winners miserably humiliated through a torrid 12 months, it was downright invigorating.
Not even the most ardent Van Gaal supporter expected this - a complete reversal of the dark mood that scuppered David Moyes's reign is underway.
While we must heed caution, this was JUST a preseason match after all, it's difficult to ignore the fact that the whole atmosphere at United seems to have changed, the way we discuss them has changed, the tone has changed and the tempo of their play has demonstrably changed.
Here are a few other talking points...