By Scott Kirsner, Globe Columnist

Two of the pioneers of online photo-sharing have raised seed funding for a new startup that's chasing a big opportunity: analyzing the pics you post on Facebook, Pinterest, and other social networks, and creating links to related content. Some of the links might be to supplemental info, like the Yelp reviews of a restaurant you ate at, and some might be paid for by advertisers, like StubHub pitching your friends on tickets to a Celtics game after you'd posted photos from the Garden. The Cambridge startup, Ditto Labs, was founded in 2012, and has already raised some seed funding from investors including Nicholas Negroponte, the founder of the MIT Media Lab, and Richard Dale of Big Data Boston.

Ditto Labs founder David Rose, right, and chief technology officer Neil Mayle worked together on Opholio, one of the first services to make it easy for people to upload photos and create their own albums; the Boston company held several key patents around digital postcards and online photo-sharing, and was sold to a California acquirer in 2000. Now, Rose and Mayle are focused on photos as the main attraction of many social networking sites.

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