Which company provides professional certification. a. linux b. bitly c. microsoft d. twitter

The answer is Twitter! :)

Let me know if there is anything else I can help with to better answer your question!

answer; i believe the correct answer is : communicate safe work practices;

adbusters is an oppressive not-for-profit organization, founded in 1989  determined to end capitalism. the goal is to  spread their message through a self published magazine (which contains no advertisements). the likely reason why adbusters publishes a magazine with spoof advertisements is that  adbusters wants to encourage consumers to think critically about ads.