Dallas: What happened to that photo you sent me, it's disappeared
Joanna: It's snapchat
Dallas: I know but I still have the first one you sent me 
Joanna: I can't see ur photo also. So how can I know? It's good it disappeared :) That's the aim of snapchat
Dallas: Yes I know but why do I still have the first picture you sent me?
Joanna: I don't know
Dallas: Weird
Joanna: Yeah weird u still have that pic, not that the other one disappeared
Dallas: Hmm
Joanna: U mean that photo of my leg? That u can see it? Because I can see it too -.-
Dallas: Yes that one
Joanna: So I don't know why
Dallas: I can only see the one you sent me first
Joanna: That one with my red skin on my knee?
Dallas: Yes
Joanna: Ok. I can't even delete it
Dallas: Seriously?
Joanna: So u see :) I can't trust snap chat. It can still save my pics:)
Dallas: Yeah... :/  true
Snapchat saved Joanna's photo and Joanna and Dallas don't know why.