which you check 144 times per day assuming you use Gmail Which is probably not a good assumption to make. Tons of people are using gmail, or hotmail or some o

which you check 144 times per day assuming you use Gmail Which is probably not a good assumption to make. Tons of people are using gmail, or hotmail or some other email with a web interface, but it's not everyone. So long as facebook messages can be checked from any computer, versus email which is usually checked from home, people will still use both.