Google is constantly tweaking its Google + network as it works through growing pains in its field test. (HO)

Call them growing pains for the new site. Gundrota said on his network profile that the company had a technical hiccup, and apologized to field test users for the spam.

“For about 80 minutes we ran out of disk space on the service that keeps track of notifications. Hence our system continued to try sending notifications. Over and over again. Yikes,” Gundrota said in a frank statement on his profile.

Users in the Google + field test seemed to forgive and forget as the company has been pretty clear that the network is a work in progress.

It seems the new network is doing well, so far, as is Google’s overall efforts to socialize its services. As my colleague Emi Kolawole reported on Ideas@Innovations, Google saw a $20 billion surge in market cap after the G+ launch, due in part to the new network as well as other new projects such as its Flash-to-HTML 5 converter, Swiffy.

Google has reportedly embedded more widgets in Web sites around the Internet than Twitter, according to a study from SEO firm BrightEdge. Analysis showed that Google’s “+1” buttons have grown 33 percent in the past few weeks, though it still has a a long way to go to catch up to Facebook’s “Like” button.

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