No podcasting app from the passt have a social layer. No website creation tool was able to pull content from social media. 
Interoperability is the killer feature 

 Yeah nothing new… yawn 

 What are legacy equivalents ? 

 And I singled out widgets of yakihonne cause i have never before seen such flexibility in content display, imho it’s a completely new marketing tool. Linktree is predecessor, yes, but it had actual zero flexibility