Google and Microsoft crackdown on child abuse images

Google and Microsoft crackdown on child abuse images; Nicola Hodson (Microsoft) interview SOT- looking to direct people to safe searches and make sure if people are looking for child sex abuse material we are directing them away from that Manchester Forensic Laboratory:BVs Technician taking apart laptop computer Andrea Bradley (Zentek Forensics Limited) interview SOT- why has it taken so long / technology has been around for at least ten years Close Shot Technician plugging wires into computer deviceClose Shot Hand using computer mouseClose Shot of screen showing computer codeLondon:EXTJim Gamble (Former head of Child Online Protection Centre) interview SOT- why ot make internet safer by design so you don't get inadvertent access to type of inappropriate or illegal image that would delay novice paedophile / this doesn't deal with root cause