If we only knew what they were trying to communicate? See the link below for reasons your pooch may be barking the blues!
"What barking? It wasn't me. I think its the neighbors!"
http://dogcare.dailypuppy.com/dogs-bark-nothing-1070.html
As for Nala, I think she is simply wants the attention. 'Look at me not the computer or TV..I am much more entertaining than those things!" Here in this video is some of Nala's best barking to date!
Happy weekend folks!
http://youtu.be/4z1m5erjCrA