Why have door-to-door sales had a recent resurgence in our high-tech society?

Why have door-to-door sales had a recent resurgence in our high-tech society?
Door-to-door sales have had a recent resurgence due to severalfactors. One is that because of the "Do Not Call Registry" thatblocks many telemarketers from calling millions of people,marketers are returning to old-fashioned door-to-door or "field"sales in an attempt to reach people. Other factors include the factthat many consumers are immune to unsolicited emails or othermarketing tactics and that it can be difficult to make people visita company's website.