I am currently doing a paper on logos. An interesting and fascinating art form that is equal parts art and necessity. It’s the voice and face of a brand and institution. It has to be simple (ish) versatile and memorable. These are highly complex to design and they are so deep with meaning and symbology from their shapes to colors.
In my research I have found a book by LogoLounge. While most of their site is paid membership they do have some articles such as this one on design trends. These other 2 trends are my favorites:
Check them all out at: https://www.logolounge.com/logotrends/