Cinematographer Melissa Cofie says their purpose has evolved with the growth of platforms like TikTok.
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Teens who died in car which entered river named
Jackson Duke, Luke Etheridge and Zara Shaw died when the car they were in ended up in the Wear.
What we know about stabbing on Flydubai flight to Israel
The captain and first officer were injured, and one pilot has been arrested, officials say.
Grooming gangs inquiry expanded to Birmingham and Wales
Targeted investigations will be carried out as part of a national inquiry into child sexual abuse.
We fear for our lives after being told our abusive exes will be freed from jail early
Three victims of domestic abuse tell the BBC why they feel let down by the early prisoner release scheme.
Singer Lola Young says vaping has made breathing feel like a 'chore'
The Messy singer says her lungs feel "battery powered" due to the effects of vaping.
Timeline of RAF Fairford incident and the investigation so far
From a late-night call about suspicious vehicles, to five men being arrested and then bailed - here is how the incident has unfolded.
Brexit referendum 'possible' in Labour election manifesto, Burnham tells BBC
The PM says a referendum wouldn't be the right thing now but the UK needs to consider its options for the future.
Burnham 'really concerned' if Man City owners sell up after rule breaches
The prime minister compares the allegations against Man City to the plight of his own club Everton.
Burnham 'really concerned' if Man City owners sell up after rule breaches
The prime minister compares the allegations against Manchester City to the plight of his own club Everton.
UK believes Iran involved in RAF Fairford incident, PM says
The prime minister's comments come days after the suspects were released on the 'strictest possible bail conditions'.
English players urged to reconsider Afghan T20 tournament
English cricketers aiming to play in a men's T20 franchise tournament organised by the Afghanistan Cricket Board have been urged to think about their "daughters, sisters or mothers".
Met hands Grenfell fire investigation file to CPS
The force is seeking charges against 54 individuals and 20 companies over the 2017 tower block fire that killed 72 people.
Execution of US murderer Christa Pike halted shortly before it was due to happen
Pike was convicted and sentenced to death in 1996 for the murder of Colleen Slemmer.
'We've just taken control': Passengers describe what happened on flight
Passengers on the Flydubai flight bound for Israel filmed the moments following the stabbing.
Greggs to shut four factories and cut 740 jobs
The company says it needs to "keep evolving alongside changing customer expectations".
Djokovic wins first match since Wimbledon in China
Novak Djokovic beats Nuno Borges at the China Open to secure his first win since reaching the Wimbledon semi-finals in July.
Grooming gangs inquiry expanded to Birmingham and Wales
Targeted investigations will be carried out as part of a national inquiry into child sexual abuse.
Regulating AI 'not the right place to start' says Bank of England governor
AI needs "rigorous" testing and safeguards to contain risk, Andrew Bailey says.
Meet 'Backpack', the chunky bear who won Fat Bear Week
The brown bear, described by one supporter as having both the "chonk and the badonk", will shortly enter hibernation, which can last up to six months.
China funding UK research and sending it to Beijing's spies, MI5 warns
British universities are being urged to sever ties with China General Technology Research Institute which is linked to the Chinese Ministry of State Security (MSS).