Reuters--SAN FRANCISCO, Aug 6 (Reuters) - EBay Inc is testing a same-day delivery service with big retailers including Target Corp, Best Buy Co and Toys "R" Us Inc , as the world's largest online marketplace steps up competition with rival Inc.

EBay introduced eBay Now, a mobile application, to some eBay members in recent days. The app is being tested in San Francisco and offers delivery in as little as an hour, eBay spokeswoman Lina Shustarovich said on Monday. Read more!