Google Inc. recently began a same-day delivery service in the Bay Area in partnership with old-guard retailers like Staples Inc.

WSJ: Clothing Shop Is Tailored to Digital Age

As originally reported on TechCrunch and then confirmed by Reuters, the search giant is apparently working on a same-day delivery service that could pit it against the likes of Amazon Prime, eBay Now and local dispatchers like Postmates' GetItNow.

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People briefed on the project, which was two years in the making, say it was partly motivated by Amazon's success in offering two-day delivery, through its Amazon Prime, service and same-day delivery, which has been available for four years in some cities.

WSJ: Google Follows Amazon's Lead on New Shopping Site, Delivery, Other Services