The Selecao thought they had won a penalty until the referee decided to watch the replay.

So far, VAR has been making the headlines at the World Cup. Video Referee Assistant first came into the spotlight after France was awarded a penalty courtesy of this technology and has remained at center-stage ever since.

While it's introduction in France's win over Australia was controversial, VAR was widely applauded for its cameo in Brazil's clash with Costa Rica. The technology was called into action in Friday's early kickoff and proved its worth when a refereeing error occurred.

With Tite's finding it difficult to beat Keylor Navas, the South American giant appeared to have gotten the break they were looking for when they were awarded a penalty later on in the second half. This decision came after a run-in between Neymar and a Costa Rican player.

The official deemed that Neymar was fouled inside the box and thus pointed to the spot despite the attacker going down under little to no contact. Los Ticos players were thus understandably upset and demanded the referee to reconsider his decision.

Upon watching replays, the referee went back on his decision and overturned Brazil's penalty. This was hailed on social media, with many gathering to tear apart the PSG superstar for his dive.

The five-time champion still managed to win the game. Two late goals in stoppage time goals, from Coutinho and Neymar, saw the tie end 2-0 to earn the heavyweight their first victory in this tournament. All that's left for the Samba Kings is to overcome Serbia in their final group-stage game.