Remember the days of numerous presses and funny sound clips? Soundboard Mania – or, as some know it, the meme noise button craze – is making a nostalgic appearance. These basic apps, once a staple on mobile phones , allowed users to share everything from the "Rickroll" audio to animated character

That wave of longing for a past moment? Yeah, that's instant nostalgia. It can strike you like a sudden gust when you smell something unwittingly. Maybe it's a tune from your childhood, or a whiff of perfume. It recalls you back to a memorable moment in an instant. Instant nostalgia: it's the pow