I think it's healthy to see more competition in this space and I'm very curious to see how this product will evolve. I've played around with the front end and backend of Peepso and for the most part I like the ambition of the plugin.

For me the absolute biggest problem is how the default styles do NOT integrate with any theme. Sure they display the content but it might as well do so through an iframe.

See: https://www.dropbox.com/s/u0ofuzgzy7gmka4/Screenshot%202015-07-28%2014.10.09.png?dl=0

So basically you use shortcodes to display parts of your social network on a certain page. All of the social functionality is now contained inside the wrapper on the page. So the entire experience feels like a site within a site. The colors, fonts, padding/margin and UI elements are completely different than your actual theme which makes the experience jarring and confusing.

That being said this could all be fixed in subsequent releases and in terms of features and the team behind it there is certainly potential. I wish them all the best :-)