Sure it can, but a cat would have done even better.
"the puppy version had more than double the number of clicks on the signup button than the text only version"
http://www.webpop.com/blog/2013/04/16/can-a-puppy-sell-a-cms
but may upset some Twitter MFs
http://media.npr.org/assets/img/2013/01/29/cat-bird_wide-85ce4b8383b9440d3ff03413cdd913513e9737bf-s6-c10.jpg