Mountain Lion uptake trails those of Lion, Snow Leopard in 2011, 2009
iFixit gives Apple's smaller tablet a low '2' repairability score, says it's 'extremely difficult' for DIYers
First three days' worth of downloads 'stunning,' claims CEO Steve Ballmer
But Microsoft must boost the number of high-quality tablet apps to make its bet pay off
Some customers run into problems trying to buy, install and activate the new OS
Was the long-anticipated debut the best Windows send-off in nearly 20 years, or just 'bupkis'?
The aged OS has 18 months until retirement, but it's not going quietly into the night, say analysts
'Weird,' says an analyst of Apple's move to eschew pre-orders, even as it pulls older iMacs from its e-store
It's already lost its once-dominant spot in operating systems, firm argues; now it's all about holding on to what it has
Buy-back firms say jump is much smaller than for last March's roll-out of the iPad 3
