After almost exactly two years of civil war in Ethiopia, a seemingly sweeping peace deal has been reached. Something unusual is going on in Britain's labor force that isn't happening in other rich countries. People at the older end of their working lives are disproportionately dropping out. And when you hear the phrase crypto-rave, after you stop shuddering, what do you think of? Sweaty, half-clothes programmers hopped up on substances of dubious legality? Our correspondent attended one and found it a surprisingly sedate affair.