Somewhat later than had been planned last year, Google is addressing a significant weaknesses of Google Docs and Google Apps: the inability to use the services while not connected to the net, CNET reports. “We will make them [Google Docs offline apps] available this summer,” said Sundar Pichai, senior vice president of Chrome, in an interview here last week at at the Google I/O conference. “We’ve all been using it internally. It’s imminent. We want to make sure they’re good.” It’s not clear just how high the demand for the feature is. Although I find offline Google Docs’ absence a critical weakness, Google cited low interest in the idea as one justification for why it had removed an earlier attempt at the technology in 2008…