Data visualisation and interactive specialist Guardian Digital Agency, bought by WPP’s data investment management division, Kantar.

Insight solutions company ICM promotes two and makes two new appointments.

Frederic-Charles Petit will oversee Toluna and Harris Interactive Europe following the acquisition from Nielsen.

Greenberg Quinlan Rosner Research (GQR) is partnering with Canadian strategist Don Guy to establish GQR Canada.

Claim from Indian Society of Advertisers chairman comes after continued criticism of current TAM TV ratings system.

Technology originally developed for law enforcement to identify masquerading criminals through language analysis.