Tech news from around the web:

US prosecutors have launched an investigation into whether eBay employees took confidential information from classified ad website Craigslist as it sought to build a rival service, Reuters reports. The two companies have already been fighting in the civil courts over allegations that eBay took a stake in Craigslist and then misappropriated confidential information while it secretly planned its own classifieds site. An eBay spokeswoman told Reuters that the company would co-operate in any inquiry related to the disputes with Craigslist. Read more

As people increasingly transmit and relay news over the web through services like Twitter, real-time search, which gives the ability to find a clear signal for breaking news among all the static, is becoming a focus.

Google introduced some time-based filters this week to address this. A “Show options” link at the top of results pages unveils a new sidebar when clicked. Read more