. . .
For now, the tool may only be able to help you if you chose to follow one of the accounts or pages set up by Russian agents on Instagram or Facebook. According to experts who have studied disinformation campaigns, that accounts for only a tiny sliver of the people Facebook estimate were affected by content Russian posted online.
“People are much more affected by content shared by their friends, they are more likely to click on it and spend time reading it and considering its merits when a trusted friend shares it on their Facebook page,” said Jonathon Morgan, chief executive of New Knowledge, which tracks the spread of misinformation online. “People don’t know the extent to which they are influenced by what their trusted social circles post online.”
The lesson? Choose your friends carefully.