@A.111:The selloff in $Alphabet-A(GOOGL.US)$ stock continues on Thursday as the market grapples with the possibility that Microsoft's Bing search engine has become a credible threat to Google's near-total dominance of the internet search market. This week brought a torrent of news on the intersection between internet search and large language model chatbots like ChatGPT from the start-up OpenAI. $Microsoft(MSFT.US)$, the single largest investor in OpenAI, on Tuesday announced plans to integrate technology from OpenAI into Bing, which has been a distant second-place player in search. Data from the market research firm Statcounter shows that Google in January had 93% market share, with Bing at 3%.