A key to good communication in today's culture is SHORT & SWEET. If it's too long, people will zone out on you and move on.
So what's the ideal length? Here's what's recommended for creating communication that actually gets read.
Headline: 6-8 words, 55 characters
Blog post: 1500-1600 words
Email subject line: 50 characters
Facebook post: 100-140 characters
Google+ headline: 60 characters max
Podcast: 22 minutes
Presentation: 18 minutes
Tweet: 120-130 characters
Webinar: 15-20 minutes
YouTube video: 3-3.5 minutes
Remember...the average person is inundated with over 230 messages every day. If you want your communication to rise above the noise, then keep it simple and short.