Zuckerberg to testify in Europe, Prime members to get discounts at Whole Foods, low-end tablets possibly coming from Microsoft, a blockchain phone, a connected toothbrush, and all you need to know about the Yanny or Laurel controversy. Stories from: @markgurman, @chrissyfarr Tweets: @backlon, @anindac92 Links:Amazon cuts Whole Foods prices for Prime members in new grocery showdown (Reuters)Microsoft Plans Low-Cost Tablet Line to Rival iPad (Bloomberg)This start-up made connected toothbrushes -- now it aims to overthrow the 'primitive' dental insurance industry (CNBC)Yanny or Laurel? How an Audio Clip Divided the Internet (NYTimes)The True History of 'Yanny' and 'Laurel' (Wired) Credits: Produced by @brianmcc and the @techmeme editors Music by @jpschwinghamer