Mr Hastert insists that he did not know of other, more explicit messages to pages.
Codes and signals are as important as explicit messages, and the two are linked.
She said that despite Manford departing under a cloud after tweeting explicit messages: "Tweeting isn't banned.
Sexting: sending sexually explicit messages, usually from one phone user to another.
Weiner is under investigation for allegedly exchanging sexually explicit messages with a minor.
No words, no explicit messages, no attempts to "educate" them in what they should think.
In 2006, Representative Mark Foley, a Republican from Florida, was caught sending sexually explicit messages online to underage congressional pages.
Mr. Weiner resigned from Congress in 2011 after sending explicit messages to women he met over the Internet.
Teenagers are being unfairly labelled as sex offenders for sending explicit messages to each other, campaigners have said.
In a broad north-east accent, Johnson repeatedly told jurors that his explicit messages were "stupid flirting" and "inappropriate".
That same study found that those female-sounding usernames averaged 163 threatening or sexually explicit messages a day.
