NPR News

What happens when fans stop talking about a show that used to be their favorite? Take American Idol, for example. Last week's finale was way down from last year's finale. It was the first time a finale did not reach the 20-million mark.

TV is still a huge topic of conversation on and offline, according to recent research. In fact, conversation about TV is growing in the last few years. And face-to-face word of mouth still has tremendous power when it comes to attracting new viewers to a show. TV still seems to be the most influential medium when it comes to shaping American culture.

Alongside a freeway in Northern California is a billboard which reads: Pivot to Canada. The billboard is urging high-tech immigrants living in the U.S. to pay attention to Canada. Canada wants to attract highly-skilled, foreign-born tech workers who are fed up with the visa process that they must follow to remain in the U.S.

California is about to become the first state to require shore power at its ports. A new law mandates at least half of a shipping line's fleet to shut down their diesel engines and plug into shore-side electric power when they unload their cargo. It's part of a larger effort to cut pollution at the state's busiest ports, but costs have been a sticking point.

Yahoo is expected to announce Monday that it's acquiring the social media site Tumblr, in a deal The Wall Street Journal and other news outlets are reporting to be worth about $1.1 billion. Some analysts are calling the acquisition an effort by Yahoo to be "cool and relevant" again.