News bites: Advertisers worry about changes to 'cookies'

Advertisers are worried about Google's plan to stop using "cookies," which enable online tracking, The Wall Street Journal writes. 

Pinterest will start showing ads, The Financial Times reports. 

A California regulatory agency approved guidelines for ride-sharing services, according to CNET. 

RSA, a computer security company, warned customers to stop using software that relies on an NSA-developed standard, Reuters reports.