Alberto is an inside sales representative with Windows & More. Alberto works from $3$ p$.$m$.$ to $9$ p$.$m$.$ and contacts potential customers via telephone at their homes. He begins his call by asking whether the person owns her home and whether she would like to consider energy$-$efficient windows or siding. Alberto is using $q,,$ a type of nonstore retailing.

$$ online retailing

telemarketing

direct mail

self$-$service technologies