Since news broke of Microsoft’s recent round of mass layoffs–which affected 1,600 people immediately and will reach double that number over the next year–a number of reports have claimed that mass approvals of foreign-worker visas were behind the decision. Now, Microsoft communications lead Frank X. Shaw has refuted what he calls “bad information.” In a Twitter post, Shaw said that while there are Microsoft workers using H-1B visas, they are “not specific to Xbox and represent a small percentage of…