Webwire: Google offers blog block; Sony raises loss forecast

Google is the latest firm to enable per-country blocking of content, developing a system to stop blogs. The system is initially for Australia, New Zealand and India, but will be deployed globally over time.
Sony has increased its full-year loss forecast from 90 billion Yen (€897 million) to 220 billion Yen, warning of a worse than expected performance at Sony Ericsson, and lower sales for PlayStation 3s, cameras and PCs.
A US judge is allowing a phone review website to sue a former employee for lost business, after he took his 17,000 Twitter followers with him when he quit the firm.
US researchers are developing contact lenses that boost vision using megapixel-quality 3D images. Prototypes are already in the pipeline, and the lenses could be production ready in 2014.
Japanese electronics maker Panasonic is predicting its biggest annual loss since its formation. The firm is braced to report a loss of 780 billion Yen (€7.7 billion) in the year to end-March, some 300 billion Yen higher than it previously forecast.