Google on Monday morning announced that it is expanding its same-day delivery service into Manhattan and West Los Angeles for participating retailers. Dubbed “Google Shopping Express,” the service allows customers to visit a special Google website and purchase products from a range of popular retailers that will then be delivered on the same day the order was placed. Examples of participating retailers include Target, Walgreens, Staples, Fairway, Costco and Toys R Us. “With Google Shopping Express, there’s no need to schlep around town in a cab or sit in traffic while carrying home clunky, heavy items,” Google Shopping Express general manager Jenna Owens wrote in a post on Google’s blog. “All you have to do is browse products from many of your