The biggest trend @sdianahu is seeing in this year's YC Demo Day batch is startups reaching seven figures in revenue just three months after launch. "It's become more common for companies to go from zero to seven figures in revenue within just three months." "The best companies back then would grow 10% week over week, which is what Airbnb did. That would get them to a couple hundred thousand in ARR, which is a very good accomplishment back then." "But now companies get to seven figures…