In the opening credit sequence whenever a teary-eyed Ingrid frantically "likes" Charlotte's Instagram posts, her username is added to the displayed list of other users who've like the posts as well. Her username pops-up and is shown as "Ingridgoeswest." At this early on in the film, however, Ingrid has not yet created this account and username.
When they are talking about going to the Littledoe launch party, Ingrid finished her glass of wine. In the next shot, the glass is half full again.
Instagram does not make a click sound when a user likes a photo.
When Ingrid texts Dan apologizing for leaving him alone, the time on the phone is 11:59pm. After she sees Dan typing and then not send the message, right before her phone dies, the time then says that it's 11:52pm.
It is very obvious that the money Ingrid gives to Dan early on in the film is prop money.