by LENNY RACHITSKY for Lenny's Newsletter I was talking to a prominent VC the other day about what startups he’s watching, and he told me that he’s seeing one company quickly becoming a gravity for the best talent: Ramp. If you’re not familiar with Ramp, they provide corporate cards and a spend management platform, helping startups save money and control spending. They were last valued at over $8 billion, are backed by Founders Fund, Redpoint, Stripe, and others, and in the past year grew 4x, to over $10 billion in annualized spending. I believe they are also the fastest-growing SaaS company…