3Qs: Who’s got your digital dossier?

North­eastern mobile sys­tems expert David Choffnes says data bro­kering, in which the data we share online is bought and sold by third par­ties, has blos­somed into a viable industry and is the reason many pop­ular apps are free. But he says the average user knows little about how their per­sonal infor­ma­tion is shared.

Face value

Assis­tant pro­fessor Ray­mond Fu is devel­oping facial recog­ni­tion soft­ware with appli­ca­tions ranging from adver­tising to crim­inal inves­ti­ga­tions. His research recently earned him a Young Inves­ti­gator award from the Inter­na­tional Neural Net­work Society.