Amazon Reviewing Website Suggestions for Bomb-Making Parts said it was reviewing its website after an investigation found that it could help users buy the ingredients to make a bomb using its “Frequently bought together” and “Customers who bought this also bought” features. Britain’s Channel 4 News found the online retailer’s algorithm was suggesting items that could be bought together to produce explosives, days after an apparently home-made bomb was detonated on the London Underground network.