Discovery Communications just announced that Chief Operating Officer Peter Liguori has decided to depart the company at the end of the year, and that his positioned would be phased out. Liguori oversaw the successful launches of Discovery's joint ventures in The Hub, OWN, and 3net.

Google is the most effective advertiser of the major Web destinations advertising on the television, according to new data released today by TV ad effectiveness researcher Ace Metrix.

Martha Stewart Living Omnimedia has named Joe Lagani to the new post of Chief Revenue Office. He joins from NBC Universal/iVillage, where he was senior vice president-ad sales.

Thrillist on Thursday will launch iPhone and Android apps specifically for its deals program. People who download the Thrilist Rewards app will receive mobile notifications of new deals in their city each week as soon as they become available. Users can buy the deals via the app and redeem them by presenting a voucher built into the app to a participating merchant. People can also share deals through Facebook, Twitter and a phone’s address book, and earn credits for each new buyer they bring in.

The Mobile Content Venture (MCV) on Tuesday announced that Univision had joined the coalition of broadcasters launching a national mobile TV service through the Spanish-language network’s local stations in Los Angeles and Miami. The step allows viewers in the two largest Hispanic markets who have MCV’s “Dyle” mobile application to watch live Univision progamming on their mobile devices. Dyle is the consumer brand MCV selected this summer for its mobile TV offering.  MCV includes 12 broadcast groups that aiming to deliver the video service nationally, which would include live news and sports and other programming as well as on-demand …

Yahoo and ABC News Tuesday kicked off expanded political coverage online leading up to the 2012 election starting with interviews of the Republican presidential candidates on the eve of the Michigan debate. Yahoo’s yearlong election program includes “Remake America,” an original Web show debuting in early 2012 that focusing on the real-life experiences of eight American families dealing with economic issues. Yahoo News will also feature increased opportunity for social interaction across election-related content, beefed-up original reporting from its team of political correspondents and expert analysis from other established writers across the political spectrum. Yahoo is also launching a …

The Interactive Advertising Bureau (IAB) has updated its Rich Media Creative Guidelines for the first time since 2008. The guidelines follow nine months of work by a cross-industry group.

Just received a pitch from the PR team representing Boston-based Arnold Worldwide about a phygital (that's the contraction of digital and physical) media innovation that makes we wish I was spending more time in Bean Town, if no better reason, than to grab a cold one. Arnold has long operated "Barnold," the agencies in-house bar where employees socialize and share ideas. One of those ideas, apparently manifested into digital brew innovation, spawning the development of a beer vending machine stocked with agency brewed and themed beers that employees (21 and older) can access - 24 hours a day - with …

So, what's the Web really worth? Leave it to McKinsey to do the math. According to a new report by the U.S. consulting firm, The Internet -- an $8 trillion global economy made up of some 200 million consumers -- has accounted for 21% of GDP growth in the world's largest economies over the last 5 years.

Moving on to the Far East, Google is eying a "large and substantial" investment in South Korea's Internet space this week, The Next Web notes, citing a report The Korea Times.