I never thought of using smartphones like this!
She is a model from Russia and, apparently, is quite the scientist. Her technique, “The Tits Authenticity Verification,” is high-tech and brilliant, and as a bonus, happens with a girl in the dark! Consider the brilliant work of Sveta Bilyalova, with the demonstration video below.
Here it is, the most brilliant use of smartphones we have ever seen!
For those who are interested, Sveta also has her own Youtube channel.