adj. Relating to a business model that uses online resources to drive consumers into a company's offline locations.
2016
Billions of dollars have poured in to Online to Offline commerce companies in the US and abroad and when you read articles like "O2O is the Holy Grail of the Internet" and "Why O2O is a Trillion Dollar Opportunity," you get curious.
2015
The O2O market — where mainland internet retailers are increasingly opting to partner with offline firms to offer traditional brick-and-mortar services in a bid to give shoppers better service — has featured three high-profile deals in 2015 alone.
2014
Movile’s plans for O2O commerce don’t end with iFood though. Bloisi said his company is also looking into other areas where a mobile app would work, including ordering taxis, buying movie tickets and booking hotels.
2010 (earliest)
In addition to the losses of the Online to Offline (O2O) sector which led to more than 30 percent of the profit fall of Baidu, the operating losses of iQIYI totaling [sic] US$156 million was calculated to have eaten into Baidu's profits at a rate of 5.4 percent.
Have you ever ordered a product online and then picked it up at one of the retailer's physical stores? Have you ever set up a return authorization using a company's website and then performed the actual return at one of their offline locations? Have you ever used a Groupon or similar digital coupon? Have you ever used an app to hail a ride in a car? If you answered "Yes" to any of these questions, then congratulations are in order because you're officially part of the O2O economy.