I used to work for a company in the UK years ago, who were about the only manufacturers of teletext equipment such as inserters, etc. One day we came into the

I used to work for a company in the UK years ago, who were about the only manufacturers of teletext equipment such as inserters, etc. One day we came into the office and the phones were on fire - people were giving our receptionists dogs abuse and threatening all sorts of repercussions as we'd apparently 'hacked' their TVs. It turned out that one of the broadcasters has done something silly with one of the inserters and reset it to factory defaults, meaning all pages were replaced with the default 'Welcome to MRG Systems', along with our phone number. That was not a fun day...