Mark Jen this week got a gentle schooling in the dos and don’ts of blogging at Google after posting and then temporarily pulling from the Web some mild criticisms of his new employer.Called Ninetyninezeros (a reference to the mathematical term known as a “googol”), the blog offers a surprisingly candid insider’s look at one of the world’s most closely watched and tight-lipped tech companies. In one post, for example, Jen makes a detailed comparison of pay and benefits packages at Google and his former employer Microsoft, concluding that Google falls short.For more on this exciting news click here