This type of detection technology isn't perfect, your Snapchat friend could've opened your message and tapped to type, but then became distracted. Doing this would prompt the Bitmoji to appears as though your friend were responding. u003cbru003eu003cbru003eThe Snapchat typing glitch is fairly well-known and for more information, check out this u003ca href=u0022https://social.techjunkie.com/snapchat-notification-someone-typing/u0022u003earticleu003c/au003e.