How to focus on one thing and the background blurry with a Nikon Coolpix p510?

So I see all these professional pictures on Tumblr that have one thing in focus and the background is out of focus. How do you do that? I read somethings on how to do it but they didn't explain really how to do it.
>>> How to focus on one thing and the background blurry with a Nikon Coolpix p510?

My nikon coolpix s2600 won't charge. It only says Battery Exhausted?

My nikon isnt charging its one of those little portable Nikons that are WAAY smaller and cheaper. I've plugged it into both the wall and the computer using the USB but it wont work.It just temperarily turns on and displays "Battery exhausted".It wont showing the little flashing lightning bolt thing turn green.only the ON/OFF button will flash than turn off. WHAT DO I DO?
>>> My nikon coolpix s2600 won't charge. It only says Battery Exhausted?

What tripod could i use for a Nikon Coolpix L120?

Hello, I got my Nikon Coolpix L120 about a year ago, and i was wondering what tripod i could use for it
http://www.currys.co.uk/gbuk/tripods/xx_3210_30312_0_xx/1_12/price-asc/xx-criteria.html One from here please, (Under £20.00)
>>> What tripod could i use for a Nikon Coolpix L120?

Digital camera information?

Hi
do we get hdmi cable with nikon coolpix s30 digital camera… if no, how can we transfer pics to computer/laptop.kindly tell me about this cam and if its worth buying or not.
thanks!
>>> Digital camera information?