Recently I was at Half Baked at Studio 338, a big venue in south-east London more than capable of holding a couple of thousand ravers. Though the music was on point, with a killer line-up including Tama Sumo and Motor City Drum Ensemble, everyone in my crew felt claustrophobic. Thankfully the bar was not an issue and neither were the toilets, but space on the dancefloor was scant, leading to friction – people shoving themselves through the crowd, others finding...