It would be easy to focus on the fact that Sebastian Vettel converted 'Kinky Kylie' into something more akin to an ineffective supermarket trolley when he lost control of his Red Bull RB7 after running wide on the exit of Turn 8 in the rain. And let's face it, there's not many occasions when you see any reigning world champion make such a costly error.
Sebastian Vettel crashes during practice © sutton-images.com
But to do that would be to overlook the weather itself, which allowed us a misty window into how Pirelli's tyres might work should they be called into action later this season.
The results were inconclusive of course because neither McLaren driver was inclined to set a timed lap, but Fernando Alonso did and, while running on the wets, reported that after just five laps he was sensing a performance drop off. Interestingly the Spaniard, who was fastest in the session, actually set the best time on intermediates.