Copyright on photos
Occassionally, some of my newer clients ask me to include images on their websites that they have found on the internet. They see appropriate photos on, for example, Google Images and think they are free to use.
However, this is rarely the case. Most images on the internet are subject to copyright and it is always worth checking before you decide to use them.
An article by Peta Pixel neatly summarises 10 misconceptions of photo copyright on the web. You can read it here.