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It is reported, h.264 relevant patent owners plan in 2010 began to Internet millions of h.264 video coding charge a patent license fees, in view of this serious threat, free and open-source video codec will take on the new mission. Currently Theora codec relative to the main disadvantages h.264 lies in the picture quality. Over the past year, the latest version has been Theora efforts in image SNR quality (PSNR) h.264 has overtaken.

However, image SNR quality is an objective standard, does not represent the subjective quality feel. Even so, through contrast images show the new version of Theora picture quality has improved significantly. In June this year is the video conference, open Theora aspects will be announced formally a stable version.

Microsoft and IBM recently because of problem again document formats debate. IBM, Microsoft's Excel2007 accused says will destroy the ODF format files, and then to the accused Microsoft to counterattack.

Microsoft released last week by the office2007 packages that Excel2007 SP2 patches and other office2007 software support IBM ODF standards. However, RobWeir then ODF chief architect in an article in the blog article says, in reading ODF software created by working table, Excell2007 will delete the formula "quietly." these software including OpenOffice. LotusSymphony org and IBM.

Weir points out, Excel2007 this behavior will cause "sensitive and insensitiity mistakes and data loss." for example, the form date will be rendered inaccurate on. But, when Excel2007 read office2003 created by working table, may also appear such data is lost.

Weir also said, when creating ODF work based on Excel2007 table, will also be stored in non-standard formula position. This leads to other work table can't correctly read data. He will attack laid the blame squarely Microsoft. "these problems show that, for Offcie2007SP2 ODF support is very bad. This makes me surprised, also made me some bad idea."

However, Microsoft thinks these problems are caused by ODF1.2 norms. Office in the latest upgrades in ODF1.1 norms. ODF1.1 support has been recognized universally, and ODF1.2 has not yet won standardization organization of the approval of OASIS.

Microsoft Office interoperability senior project manager DougMahugh says, when ODF1.2 was "finish, standardization and publish later, we will promote ODF worksheet formulas in the interoperability. But we are not to do so." he also pointed out that in reduction Office2007 OpenOffice. Org create work table, perform better than the LotusSymphony more accurate.

Zhongguancun online software group - a few days ago, jiangmin new technology company vice President in an LiuChengFeng ZOL reporter to interview for the current security products, market showed their own opinions. He believes that the current China's security product market competition is intense, apparently very messy, but in fact "in chaos orderly".