Just caught wind of something interesting in the AI infrastructure space. Parag Agrawal, the former Twitter CEO, has been quietly building Parallel Web Systems, and the company just closed a Series B round at $100 million. Sequoia Capital led this one, with Kleiner Perkins, Index Ventures, and Khosla Ventures also backing the round.

So here's what caught my attention - the valuation jumped to $2 billion. For context, Parag Agrawal's startup has now raised $230 million total since inception. That's serious capital flowing into what they're doing.

What's the company actually focused on? They're building infrastructure for long-cycle AI agents - think efficient web search and access control systems that these agents need to operate at scale. The team is pretty lean right now, around 50 people, but they're already serving over 100,000 developers and enterprise clients.

The interesting part is where they're heading next. Parag Agrawal's team is looking to beef up their sales, marketing, and R&D departments to push deeper into enterprise-level AI agent scenarios. This suggests they're seeing real demand signals from bigger companies wanting to integrate these capabilities.

There's definitely something brewing here in the AI infrastructure layer. Not the flashiest narrative right now, but could be one of those foundational plays that powers the next wave of AI applications.