By Mary Bolling Blackiston, Contributing Reporter
RIO DE JANEIRO, BRAZIL - Tinder, the current craze amongst singles on the prowl, is an addictive dating "app" (built exclusively for smart phones and tablets) that has caught on in Rio de Janeiro. While online dating and social media flirting is nothing new, the instant connections made through this mobile app has Cariocas and foreigners alike glued to their screens.
Tinder's success may be due to it being incredibly simple: based on a photo, the user has the option to swipe to the right if he or she likes the person and to . . .