Yahoo Hacks

what are the...

[fashezee]

For Yahoo; what are the hacks? Specifically, the link: hack?

[Milamber]

hacks? you mean like search operators?

such as:
linkdomain:www.widgets.com
link:www.widgets.com
domain:www.widgets.com

so you can use [linkdomain:www.widgets.com -domain:www.widgets.com] to find external links