I was curious when it would get infinite scrolling! I just wrapped up an editorial on the feature and was surprised while researching that Designspiration didn't use it.
Would love to read it! Check out the implementation—it uses a marker and page number updated as you scroll.
I noticed! Adding the marker and page number into the URL structure is fantastic. Being able to navigate back to the correct place if I accidentally browse away is great. Here's the editorial if you're interested in reading it (:. I wish I could have included Designspiration in it as a prime example of a good UX.