The phrase "added a host of" is correct and usable in written English.
It can be used to indicate that someone has included or introduced a large number of items, features, or elements.
Example: "The new software update added a host of features that improve user experience."
Alternatives: "introduced a multitude of" or "included a variety of".
The show has added a host of new characters to the lineup.
He said Microsoft's mistake with Vista was to try to serve consumers and business customers with a flashy release that added a host of multimedia functionality instead of taking into consideration practical concerns that would affect performance and compatibility.
With Nehalem, Intel's designers took the company's previous generation of chips and added a host of features, each of which adds complexity and raises the possibility of unpredictable interactions.
It has since added a host of other TV sports rights, including a surprise £1bn deal to broadcast the Champions League, and is taking on BSkyB in the paid-for sports and broadband markets.
In the last quarter-century, the Winter Olympics have added a host of risky and perilous sports to modernize the event lineup, but their presence has not diminished the primal appeal, and inherent jeopardy, of men and women skiing as fast as they can down a slick mountain slope.
Facebook, which has nearly 1.2 billion users, initially favored more openness but has over the years added a host of privacy controls that allow users to sort their friends into groups like "close friends" and "acquaintances" and share items just with a specific group or even with particular individuals.
To this, most of us add a host of factors -- starting with daily baths -- that can intensify the problem.
It can add a host of movie-style special effects to your phone's videos, although you do have to pay for some of them.
Yet, at the same time, she says, the federal and international regulators are adding a host of special Too Big to Fail capital requirements and rules.
However, the Dynamique Nav adds a host of extra goodies, including satnav through a 7in touchscreen, dual-zone climate control, keyless entry and starting, colour-changing ambient lighting, automatic headlights and wipers, and rear parking sensors.
In the 1990s, thanks to Sir Martin, they went on a buying frenzy, using their high share prices to add a host of "below-the-line" services, such as public relations, brand consulting, Internet advertising and market research.
