The chiefs of four of the biggest tech companies in the world — Amazon , Apple, Facebook and Google — faced lawmakers Wednesday for a hearing on digital competition that could have cataclysmic impact on an industry largely unhindered by regulators. The grilling of tech titans Jeff Bezos, Tim Cook , Mark Zuckerberg and Sundar Pichai (the companies’ respective CEOs), was done by the House Judiciary Antitrust Subcommittee as part of its ongoing, yearlong investigation into competition in the digital market. The approximately 5-hour hearing’s line of questioning was sharply divided down party lines. GOP congress members mostly took the CEOs to task for what most of them perceived as an effort to silence conservative voices online. Rep. Greg Steube, R-Fla. accused Google’s CEO of supressing conservative sites because he could not Google a right-leaning article he was searcing for and because he no longer received email after he was elected to Congress. Rep. Jim Jordan accused Google of “helping” Hilary Clinton in 2016 and demanded that each CEO make a commitment “to not help Joe Biden” in 2020. Meanwhile most Democrat members of the commitee pummeled the CEOs with questions about monopolizing their markets, concerns over data privacy and…