When Bill Gates applied for a visa for a recent trip to Nigeria, his paperwork hit a snag. The Nigerian government required proof that the billionaire chairman of Microsoft (MSFT) would not stay in the country and become a drain on Nigeria's social services. The company helping him with his application, travel document expediter CIBT, obtained a letter from Gates' bank that reassured the Nigerian authorities, and the visa was approved SOURCE BUSINESS WEEK That is interesting did not know that, what do you think readers?