Since the first commercially available web browser debuted in the early $1990$s$,$ the product category $($class$)$ has matured. But now, the integration of generative artificial intelligence $($AI$)$ into web browsers may stave off decline. Generative AI tools equip web browsers to perform new tasks that go far beyond basic search, like creating summaries of web pages and videos, translating and$/$or rewriting web pages and even generating new content. From a consumer perspective, web browsers equipped with generative AI tools are what kind of new product?

$1.$

continuous innovation

$2.$

dynamically continuous innovation

$3.$

product modification

$4.$

discontinuous innovation

$5.$

product category $($class$)$ extension