29 Activity: Expert or Crank?
Twitter Expertise?
![A tweet by Twitter user @MichaelESmith that reads, “Bullshit! Aztec society collapsed in 1519 fr. Cortes & smallpox. Salmonella in 1540 was far too late. And the painting is European fantasy.” Smith is responding to a tweet claiming that salmonella poisoning may have contributed to the fall of the Aztec civilization.](https://pressbooks.nscc.ca/app/uploads/sites/98/2017/02/Screen-Shot-2020-10-09-at-11.27.52-AM.png)
This guy has a pretty negative reaction to something published in a highly reputable journal. Is he an expert, or just a guy with opinions about things?
Woodward and Bernstein
![A tweet by @pixelatedboat featuring a photo of two men that reads, “This is Woodward and Bernstein. Nixon called them the enemy. They proved that no president is above the law. #NotTheEnemy.”](https://pressbooks.nscc.ca/app/uploads/sites/98/2017/02/Screen-Shot-2020-10-09-at-11.28.02-AM.png)
Are these the reporters who brought down Nixon? Is this a trustworthy reporter sharing this photo?