using optical sound (sound on film)
The polished, highly reflective texture of Anish Kapoor's sculpture "Cloud Gate" is appealing for viewers to touch, made of 168 polished stainless steel plates, which are seemed together invisibly, the structure sits as the centrepiece of AT&T Plaza at Millenium Park in Chicago, Illinois, floating like a reflective cloud mirror.
Answer:
The IT department failed to notify you and the marketing department about it, so customers weren't informed or warned. Worse, they failed to ask for feedback about what the update should include, and now customers can't access some of the features that they most enjoyed.