Frederic Lardinois, writing at TechCrunch:

The web app, says Pulse, is “designed for discovery” and while it’s still a very visual experience, Pulse did away with the row layout it uses in its mobile apps. Instead, your list of sources is now on the left and stories appear in a beautiful dynamic grid layout. The design is responsive, so the layout will automatically adapt itself to the size of your browser windows.

I’ve only tried it out for a few minutes, but it’s beautiful and functional, and it’ll be much easier to manage sources on the web than it is on mobile.

I cut a parenthetical in Lardinois’ headline referring to Microsoft’s part in bringing Pulse to the web. The end result certainly does look great for touchscreen devices generally, and like it fits right into the Windows 8 design aesthetic specifically.