What’s a good strategy when about 1,000 developers and startups converge on one point? Throw a Techcrunch party of course. So it was with some relish that we threw an end of conference networking event for startups following the Web 2.0 Expo Europe O’Reilly conference in Berlin this week. We called it LateCrunch, opened up tickets and over 300 people turned up. But, there was method to this madness. If European startups are going to weather the coming nuclear winter they are going to need eachother, for support, advice and connections. That’s a harder environment to create when the European tech scene is so spread out. Luckily in Europe we have Air Guitar to break the ice…