a16z’s @david__booth says venture hits diminishing returns when you keep adding partners, because the real compounding asset is the network: "Many firms will scale by adding more partners, more head count, and there's a law of diminishing returns that kicks in. This firm delivers value because it's a network-driven firm." "All the software to date has been very internal facing. This was the first time we've done a drop of this nature in public." "Context capture is no longer a technology…