A. Depends on what you are looking for.
- To check UK information, try Full Fact [https://fullfact.org]
- To check US information, try Fact chek [www.factcheck.org]
- Seen something on Facebook, try Hoax Slayer [www.hoax-slayer.com]
- Seen something on Twitter, follow https://twitter.com/IsTwitWrong
- To check photographs, try PicPedant [https://twitter.com/PicPendant]