Devon and Cornwall Police said it was catching more and more people using mobile phones with internet capability while behind the wheel, creating a high danger of crashing.
It urged drivers to show greater care, saying that rules banning the use of mobile phones while driving had now been in place for a ''long, long time''.Inspector Richard Price, from the force's roads policing unit, said: ''With the new mobile phones, it is becoming more commonplace for people to use them to access social media than for texting while driving.''The availability of information is sometimes too tempting to drivers and often they will be picking up the phone and updating their (Facebook) site.
''It really is unacceptable.''
The force has launched Operation Vortex to clamp down on ''complacent and arrogant behaviour'' by drivers.It said research by the RAC had shown one in five motorists in the south-west had admitted to checking social media alerts whilst driving, making this a particular focus of the campaign alongside speeding, drink-driving and failing to wear a seatbelt.
Read more at - 'Rise in drivers using Twitter'