Kevin is the founder of PSA Billboard
Who the heck are you and what makes your site awesome? I'm Kevin and I started this whole thing. Why? Some sites are just too complicated, so what's better than a pure digital billboard? No hashtags, no trends, no images, just your words.
What's 1 th...
In the year 2000, the average attention span was 12 seconds.
In the year 2020, the average attention span was only 8 seconds.
You probably won't even finish reading this post, so I'...