Diamond knee replacements!

Well, yes...that is one possiblity now that we have learned how to make 'real' diamonds.
They're already up to two carats, and are planning on ten.
Another possibility is a car paint that would never scratch. Lots and lots of possibilities...
The 10,000 *movie* iPod sounds kind of interesting too.

Carbon nanotube memory chips - ten times faster than today's flash memory.
Basically, what they're talking about is "instant on" computers - no start-up time.

www.llanfairpwllgwyngyllgogerychwyrndrobwyll-llantysiliogogogoch.com
- that's one seriously long domain name

World's Tallest Buildings

This could make things interesting - an anti-sniper robot.

It can't fire back (yet), but it locates the source of the shot pretty darn quick, or, as they claim "before the smoke disappears."