Google and Facebook took the sharpest jabs for alleged abuse of their market power from Democrats and Republicans on Wednesday in a much-anticipated congressional hearing that put four of America’s most prominent tech CEOs in the hot seat.

Facebook Inc’s Mark Zuckerberg, Amazon.com Inc’s Jeff Bezos, Google owner Alphabet Inc’s Sundar Pichai and Apple Inc’s Tim Cook - whose companies have a combined market value of about US$5 trillion (RM21.2 trillion) - parried a range of accusations from lawmakers that they crippled smaller rivals in the quest for market share, via a videoconference hearing...