(CNN Business) For over a year, top lawmakers in Congress have been investigating Amazon (AMZN), Apple (AAPL), Facebook (FB) and Google (GOOGL). Now, the CEOs of those companies are testifying before lawmakers on Wednesday in the biggest hearing of its kind since Microsoft's Bill Gates went to Washington in 1998. While most of the executives have appeared before Congress previously, they've never faced a situation quite like this one. All four are testifying alongside one another — and in a pandemic-driven twist, they are attending the hearing virtually, using Cisco's WebEx conferencing platform. It didn't take long for the first fiery exchange, but it was not with the tech CEOs.

Source: CNN July 29, 2020 08:17 UTC