All the ways Apple is a monopoly, according to its critics

• The Justice Department hit Apple with an antitrust lawsuit on Thursday.
• The suit accuses the iPhone maker of anti-competitive tactics in the smartphone market.
• Here are some of the ways critics say Apple is a monopoly.

The Justice Department hit Apple with a sweeping lawsuit on Thursday, accusing it of "delaying, degrading, or outright blocking" competitors in the smartphone market.