Microsoft took a subtle dig at Apple's controversial App Store rules as the iPhone maker is getting hit with 2 antitrust probes (MSFT, AAPL)

· Microsoft's Brad Smith said it's time for regulators to have a "more focused" discussion about how app stores are governed and whether they violate antitrust rules.
· When speaking with Politico, Smith said app stores have created "higher walls" than barriers that existed in the industry 20 years ago, when Microsoft was...