Today in Tech: Why the next iPhone will (likely) be thinner by JP Mangalindan @FortuneMagazine July 18, 2012, 12:22 PM EST E-mail Tweet Facebook Google Plus Linkedin Share icons Also: Why Marissa Mayer may be the ideal CEO for Yahoo. How to win the tech talent war [FORTUNE] Want to hire good engineers? The top talent is going to cost you — it’s not unusual right now for recruiters to offer senior engineers a base salary of $210,000 to $240,000, says Andreessen Horowitz’s Technical Talent Partner Shannon Callahan. And that’s before the perks. The ultimate Googler is Yahoo’s ideal CEO [WIRED] Google’s employee No. 20 — and as of yesterday, the new CEO of Yahoo — always was a dynamo and overachiever. Even in her early 30s, as she was then, she out-energized novice employees 10 years her junior. But what stood out was her decisiveness. As an embedded reporter accompanying Mayer and her charges on that world tour, that’s what impressed me most about the former Wisconsin cheerleader and math nerd turned fashion setter and internet icon. It was Mayer’s ability to quickly perform intellectual triage, mentally poring through ambient data to reach a conclusion, and confidently declaring a course of action. Next iPhone is slimming down [THE WALL STREET JOURNAL] The technology integrates touch sensors into the LCD, making it unnecessary to have a separate touch-screen layer. The absence of the layer, usually about half-a-millimeter thick, not only makes the whole screen thinner, but improves the quality of displayed images, said DisplaySearch analyst Hiroshi Hayase. Square, Google Wallet have mobile-challenged PayPal shaking it its boots: Enter card.io [TECHCRUNCH] In the mobile payments space that is becoming increasingly crowded with major players like Square and Google Wallet and minor upstarts like Venmo, PayPal has acquired its first company in over a year. While last year’s moves were aimed at mobile payments, this acquisition points toward bolstering PayPal’s digital wallet–the area where Square, Google Wallet and others have boldly entered before PayPal.