. >> bob hoffman is a former advertising agency owner and industry critic.e worries about privacy issues around so-called surveillance marketing. >> i don't think they're doing anything nefarious, honestly. i don't. but when i walked into their store i should have been notified that i'm being videotaped. and i wasn't. >> i think most people know you walk into any store you're going to be monitored. there's security cameras there. there's no difference. >> the difference is intent. you don't know what they're doing with it. you don't know who they're giving it to. you don't know how it's going to be used after they're through with it. you don't know how it's going to be disposed of over time. >> in light of the recent disclosures about facebook's disregard of customer data protection, bob suggests it may be dangerous for a data driven business like beta to ignore the issues of consent and security. >> if they were to tell me, by the way, we use cameras to watch our customers shop and just wanted to let you know, to be transparent about that, you know, we don'