There's been some disturbing research showing that the entire basis of this technology could be flawed. Just because i'm smiling doesn't necessarily mean i'm happy, right? It depends on the context. And finally, the issue of race. For example, based on how much training data you have of different races, the technology has ended up being far more accurate for caucasian faces compared to african american faces,. Madomida mergia is the f ts european tech logy correspondent.