Microsoft Puts Fingerprint Readers Into Hardware  SEATTLE (Reuters) - Microsoft Corp. &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=MSFT.O qtype=sym infotype=info qcat=news"&gt;MSFT.O&lt;/A&gt; on Wednesday  unveiled a new array of keyboard and mice, with some featuring  built-in fingerprint readers to make it easier for users to log  on to personal computers and Web sites.