If you see your machine is working hard, using all available CPU resources, you may be infected.

BBC: Skype trojan forces Bitcoin mining, security firm warns

And in terms of new proposals that he may announce, I don't have a time to give you, but I can assure you he is working very hard on those issues.

WHITEHOUSE: Press Briefing

There can be a lot of reasons but the only way to turn it around is by working hard, getting in the gym and practising as hard as you can.

BBC: Andy Murray to play Czech Jan Hajek in Wimbledon opener

Which is going to get you on your skates, working hard to try and gain some revenue back off your time limited allocation of spectrum?

FORBES: Czech Government Halts Spectrum Sales As Prices Rise Too High. What On Earth Are They Doing?

Bobby, first of all, if it makes you feel any better, I get that all the time. (Laughter.) And the second point is that even though we have our differences politically, one thing I will say is this person is working hard on behalf of the state -- (applause) -- and you've got to give people credit for working hard. (Applause.) He's a hardworking man.

WHITEHOUSE: President Obama Holds Town Hall in New Orleans

But, you know, I will say that I think not only Democrat Mary Landrieu, but also I think Republican Governor Jindal will tell you that our team is outstanding, they are working really hard all the time to try to get these things resolved as quickly as possible.

WHITEHOUSE: President Obama Holds Town Hall in New Orleans

Missouri is the Show-Me State, but it is also the Show-You State in leading by example, working hard for its own and giving generously to others.

CNN: Storm like a giant 'pounding the house with his fist'

While the charge that "you raised taxes on hard-working Americans" is a good go-to move in American politics, it might not be possible for Republicans to gain more political advantage off the individual mandate than they already have.

CNN: Tax or penalty, does it matter for Romney and Obama?

It is something that's worth saving up for, working hard for and you can get a career in this business.

BBC: On the trail of street racers

Now, listen, you know I'm working hard because my voice is getting a little raspy. (Applause.) So, folks in the back, if you can't hear me, you let me know.

WHITEHOUSE: Remarks by the President in Milwaukee, WI

And making sure you get that kind of education is going to take all of us working hard and all of us working hand in hand.

WHITEHOUSE: The President��s Back to School Speech

No special equipment is needed (although a heart rate monitor can be helpful for gauging how hard you are working) and interval training can be done either outdoors or indoors.

CNN: Is a shorter but harder workout better?