The name “yaaya mobi” sounds, delightfully, like a child of that era. Short, memorable, and domain-friendly — “mobi” was fashionable once as domains experimented with newer suffixes. It hints at mobility (phones getting smarter), brevity, and a bounce in its syllables that implies something playful, not corporate. Even if the service itself is obscure or defunct, the name has personality — a tiny artifact of web naming culture.