Today in Tech: Mac OSX ‘Mountain Lion’ by JP Mangalindan @FortuneMagazine February 16, 2012, 4:49 PM EDT E-mail Tweet Facebook Google Plus Linkedin Share icons Fortune’s curated selection of tech stories from the last 24 hours. Sign up to get the round-up delivered to you each and every day. “We’re starting to do some things differently.” — Apple Senior Vice President Phil Schiller (Daring Fireball) * Apple CEO Tim Cook unveiled a new version of the Mac operating system, named “Mountain Lion,” with features currently found in the company’s mobile software. (The Wall Street Journal) * Japanese authorities arrested seven people in connection with the Olympus accounting scandal, including former chairman and president Tsuyoshi Kikukawa. (The New York Times) * Amazon shipped 3.9 million Kindle Fire tablets last quarter versus Apple’s 15.4 million iPads. (Fortune) * Starting this week, Facebook will let public figures authenticate their accounts and use preferred nicknames. In turn, verified accounts will get better placement in Facebook’s “People to Subscribe To” suggestions. (TechCrunch) * Startup darling Pinterest may be all the rage, but its biggest challenge — monetization — still lies ahead. (The Wall Street Journal) Don’t miss the latest tech news. Sign up now to get Today in Tech emailed every morning.