Welcome to The TechCrunch Exchange, a forthcoming weekly newsletter from the TC crew about startups, money, and markets. You can sign up for it here, and receive it regularly when it formally launches in a few weeks. You can email me about it here, or talk to me on Twitter. Let’s go! In the last week there were 23 rounds worth $50 million in the world, according to Crunchbase data. The rounds were worth a total of $3.72 billion, with a median value of $80 million and an average size…
