The Ticker: Tim Cook Plays Defense; Ad-Free YouTube; Twitter by Interest; And More

Mashable: Tim Cook Talks Apple Pay, Alibaba Deal, Death of iPod Classic

Re\codeYouTube CEO Susan Wojcicki Wants to Sell Ad-Free Subscriptions

MarketingLand: Imagine a Twitter Where You Follow Interests Instead of Users

The New York Times: Phrases We Love Too Much

AdAge: Life Through the Data Lens: What They Know — and Don’t Know — About You