the race starts today. reporter: microsoft announced this week that artificial intelligence will soon allow conversations with its software and search engine bing. google raced to announce similar plans. both trying to change the internet from a world in which we navigate between web pages to one where interactive discussions with chat bots give us information. we ve only scratched the surface of what s possible. reporter: for a generation google has been the verb for finding things online and it commands more than 90% of the search engine market, but microsoft thanks to its partnership with chatgpt maker openai is on the attack. the most profitable, large software business is search, so i look at this and say, i just have to earn it one user at a time. i never ever felt this liberated in terms of opportunity in the days ahead. it definitely is an arms race. bing is rocketing up the app store charts. so much of the world is organized around serving google and understanding