Johnny Lin, a former Apple engineer and co-founder of the software company Lockdown Privacy says Apple's "Ask App Not To Track" button is a "dud" that gives users "a false sense of privacy," according to a Washington Post report. Even if users request apps not to collect their activity across other companies' apps and websites, popular iPhone apps like Subway Surfers still collect personal data, a new study by Lockdown Privacy determined. "We found that App Tracking Transparency made no difference...