In a large saute pan, heat 2 to 3 tablespoons extra virgin olive oil using medium heat.
Add the onions, peppers, garlic and season with 1/4 teaspoon of the sea salt and 1/8 teaspoon of the freshly ground black pepper. Turn up the heat to medium-high or high. Mix and cook 2 minutes, stir/mix at least once or twice.
Add in the cumin. Mix and cook 30 to 60 seconds.
Stir in 2 tablespoons of the cilantro.
Add in the frozen corn. Pour in the red wine vinegar. Stir and cook 3 minutes. Stir a couple of times during the cooking.
Add in the tomatoes. Season with the remaining salt, black pepper and add in the remaining cilantro. Stir and cook 1 minute.
Turn off the stove. Transfer to a serving bowl. Enjoy with your favorite entree or eat alone for a light lunch.