Eye-Fi Gadget - what can it do ?

[JAM007]

I seen this word "Eye-Fi" on this forum.

What can this gadget do ?
Which devices can it work on ?
Worth getting 1 ?
Cost of gadget and who stocks them ?

Thanks in advance.

 

[JAM007]

any one using this ?

 

[Tacet]

http://www.eye.fi/

Try using google, it's always helpfull if you don't know what something is. Don't know who stocks them or how much they cost.