(Reuters) - Microsoft Corp CEO Steve Ballmer on Wednesday said the company is "not immune" to "current economic realities". Highlights:
* Microsoft's Ballmer says company looking at every aspect of business
for opportunities to reduce costs, "utilize resources more efficiently"
* Microsoft's Ballmer says expects "much slower growth" in headcount
for the remainder of this financial year and possibly next year
* Microsoft's Ballmer: "we are done with all acquisitions discussions
with Yahoo"
* Microsoft's Ballmer says would still be interested in search
collaboration with Yahoo
* Microsoft's Ballmer says would be "very open" to Yahoo search talks,
but there are "no active discussion on that front"