check out lightning payment channels and it will make sense. It allows you to have every global transaction on a 3mb isp. Tips too.. That's not big like you claim.
To date, lightning is vaporware, let's see when it's actually rolled-out.
That will be so cool to have a full node on a basic internet package. Looks like they got the problem solved. /thread
Why do you speak in the future tense, Bitcoin already works fine on a basic internet package.