A new browser war may be brewing; Perplexity AI has just released one, and OpenAI is reportedly set to launch one soon. The fact that these artificial intelligence (AI) start-ups are even building browsers at all speaks to the advantages that Alphabet (GOOGL 0.79%) (GOOG 0.85%) has. AI Mode is a completely new type of search experience from traditional Google search. It turns Google into a conversational assistant that can help users navigate complex tasks, find products, summarize web pages, and answer mul ...