Yahoo Messenger had amazing fun animated smileys, and it was a fantastic Instant Messenger as well. Too bad Yahoo went to dogs, I was hoping Yahoo Messenger got bought out by Microsoft so that beautiful UI could be integrated as MS Office chat. Instead, Micro$oft acquired Skype, mainly for its VOIP ability, and it took years to integrate it into MS Office as MS Teams, which is a boring tool (but it is effective for video conferencing and basic chat purposes).
I miss those animated smileys.
Even WhatsApp and other popular social messaging platforms (Instagram, Signal, etc.) don't have them. Instead, we got GIFs (whose online gallery takes ages to load in WhatsApp, in recent months, at least on my phone) and animated stickers. sigh
Even Gadu-Gadu had them.