The phrase "adds the advent of" is correct and usable in written English.
It can be used when discussing the introduction or arrival of something new, often in a formal or academic context.
Example: "The new policy adds the advent of innovative technologies to our existing framework."
Alternatives: "introduces the arrival of" or "marks the onset of".
Alan Greenspan, were he to present an accurate picture of the current boom, would have to add the advent of child care to the invention of the transistor as a major precipitating factor.
Britain's own official Ministry of Defence publication, the Manual of the Law of Armed Conflict, says there are practical difficulties around surrenders to aircraft, but adds: "With the advent of close-support and ground-attack helicopter units, the surrender of ground troops … has become a more practical proposition".
In "Bomb Power," Garry Wills argues much the same thing, adding that the advent of atomic weapons has made this concentration of power in the White House even greater.
The letters, she added, marked the advent of celebrity fan mail which became a staple phenomenon in the 20th century but was rare in Byron's lifetime.
Drew added, "Before the advent of the Internet, he was recording these stories and outputting a black existence on his own terms".
A new dimension to surface metrology has been added by the advent of scanning microscopes based on quantum effects.
He added that with the advent of digital media, "the government's capacity to uncover and trace leaks is far greater than it was in the past".
Add thirty years, the advent of the internet, and a whole new generation of porn performers and you get a movement.
Add to that the advent of more light-hearted dating sites aimed at younger audiences, such as Match.com (the television adverts scream: "Too many women! Men join for free!") and Mysinglefriend.com (Sarah Beeny's brainchild, in which your best mate writes your character profile), and you can see why the barriers have been broken down in recent years.
Hence, the advent of femtocells added a new perspective on the ABC concept as they are capable of extending cellular coverage with minimum cost by utilizing an already deployed IP infrastructure.
