Inventions like phones are more connected with patents. Alexander Graham Bell and Elisha Gray filed patent applications for the first phone hours apart, and there are many cell phone patent battles today.
Development of automobiles was affected more by patent than copyright.
There are, even now, major controversies about copyright with respect to computers, which have the capacity to efficiently and inexpensively copy and distribute all kinds of things, including written publications, music, movies, television programs, etc.
One of the major effects of the Digital Millennium Copyright Act was to criminalize circumvention of protection such as Digital Rights Management. The hypervisor OtherOS, made available on older (vs. slim) models of the PS3, allowed users to install Linux, which many hobbyists used to experiment with and re-purpose the console. When it became clear that installing Linux and doing a tiny amount of hardware modification would allow the user greater control over the machine, Sony pushed a firmware update that disabled OtherOS.
Students of drafting and design need to be aware of copyright issues applying to the industry. First, they need to know what they can use without permission, and what requires a license. Then, they need to know how their works are protected, and what they can do when they feel their rights have been infringed upon.
The written work is automatically protected by copyright.
Copyright protection is automatic, there is no special action required to copyright a play. As soon as a work of sufficient originality is "fixed in a tangible medium, perceptible to human eye, machine reader or other device". There is no requirement to register or to display a copyright notice for a work to be protected.
Copyright in both the play and the film was renewed, so the play will be protected through 2034, and the film through 2036.
The play is copyright 1979, Peter Shaffer. Copyright of the 1984 movie version would likely belong to the production company. To perform the play, you would almost certainly need permission from a performing rights organization.
1955.
no.
No, unfortunately.
No, you can't delete Google Play services from your phone. The play store is something that comes with the phone.