Grown-ups came before work, after work and during their lunch breaks to slide, swing or just take it all in. People couldn’t believe that McDonald’s had done it.Sales growth rates for the Circular quay store increased by 24.7% in the week of the playland activity.The Playland let adults engage with McDonald’s in a way they hadn’t for years:They had fun – and lots of it.People see i’m lovin’ it in all our ads. This time they felt it.