How to say "in the blink of an eye!" in Spanish (Día 91)

The video tutorial introduces the English phrase 'in the blink of an eye', explaining its meaning as something happening very quickly. It provides several Spanish translations, including 'en un abrir y cerrar de ojos', 'en un santiamén', and 'en menos que canta un gallo'. The tutorial suggests using search engines to find these phrases in context and concludes with a thank you and a preview of the next lesson.

How can one find examples of the phrases discussed in the text?

What is the significance of the phrase 'gracias por mirar' in the context of the text?