FOR many marketers, advertising in stores is an increasingly important way to influence shoppers at the so-called moment of truth, as they finally make up their minds about which brands of soup, soap or cereal to buy — or not buy. Now, a company is hoping to bring commercials to the retail point of purchase on screens that will be attached to shelves and above aisles. View overview here.

Social Networks/Blogs Now Account for One in Every Four and a Half Minutes Online. The popularity of social media is undeniable – three of the world’s most popular brands online are social-media related (Facebook, YouTube and Wikipedia) and the world now spends over 110 billion minutes on social networks and blog sites. view roundup of study from NielsenWire.

A study by lead generation solutions provider LeadForce1 examined the behavior of visitors to B2B Websites who had been directed to the sites from social media, including Facebook, Twitter, LinkedIn and Wikipedia. Visitors from the top social sites were generally uninterested in product or contact pages, suggesting they were not in the market for the company’s products or services. View the outline of where b2b traffic goes.

Did you notice the competition going on between Bing and Google? The game is still on and after Google announced its new Caffeine search index, it is Bing’s turn to tout the future release of its enhanced ‘Bing Webmaster Tools’ this summer. Check out the full story here >

Where do Americans begin their online day? According to a study released today by ExactTarget, 58 percent check their e-mail, while 20 percent go first to a search engine or portal site and 11 percent start with Facebook. A conscientious (or worried) 3 percent make their company’s site or intranet their first online destination of the day. Five percent go first to a news site and 3 percent go to some other destination. View the overview from Adweek here or view another overview here.

Apple dropped the equivalent of a nuclear bomb on Google this week with its revision of its developer policies. Now, only “independent” ad-serving companies will be able to serve ads for the iPhone. That rules out AdMob, now owned by Google. The changes also appear to target third-party app usage analytics firms. Flurry, in particular, has been singled out for criticism by Jobs. Such applications are also banned from the iPhone. Read more here >