Page last updated at 07:58 GMT, Monday, 6 October 2008 08:58 UK
Is that cellphone kosher?  Haredi man surfs the internet Some
Haredi Jews have embraced modern technology, with limits   When
Israeli father Avi tried to register his six-year-old twin
daughters for his local ultra-Orthodox school this year, he was
happy to sign a form saying his children did not watch
television or use the internet at home.  But he was surprised to
discover he had to give a "kosher cellphone number". He did not
have one.  Avi lives in Har Nof, one of the main ultra-Orthodox,
or Haredi, neighbourhoods of Jerusalem.  I feel I can control
myself not to use the bad features - but do I trust my children?
The community separates itself from mainstream society through
its traditional religious practices and distinctive attire of
black hats, coats and sidelocks for the men and long skirts and
sleeves for the women.  Like most other men in his community,
Avi studies the Jewish scriptures daily, keeps the Sabbath and
eats only kosher foo