sentence1: But is the Internet so miraculous an advertising vehicle that Gross will be able to siphon off $400 per person from total ad spending of $1,000 per family--or persuade advertisers to spend an additional $400 to reach each of his customers and true is true and true is true and true is true and true is true and true is true ?
sentence2: Was the internet so great at advertising that Gross would pay $400 per person per ad, totalling spending $1000 per family or persuade adversisers to shell out an extra $400 to reach each customer?