'Microsoft Corp. MSFT +0.08% is making a $300 million investment in Barnes & Noble Inc.'s BKS +62.65% Nook digital-book business and college-texts unit [...].
Microsoft will have a 17.6% stake in a new subsidiary [...]
As part of the move, there will be a Nook application included in the new Windows 8, which is scheduled to have a release preview in early June.'
Source: Wall Street Journal | 'Microsoft to Invest in Barnes & Noble's Nook' by GINA CHON And SHIRA OVIDE at Updated April 30, 2012, 7:13 a.m. ET