I'm going with
<span>The things that you post online become public information.
and
</span><span>Employers screen job candidates based on social medias.
Because when you post online, you can very easily make your account private, or only share the post to a specified group of people.
Employers also screen job candidates based on their backround, personality, etc.</span>
They sometimes offer free service
They are called functions on a spreadsheet.
This delay in routers is what we called Packetization delay
or also called Accumulation delay. Packetization delay is the time required for
the information to pass on the wires. The data rate of the links that passes
thru the wires cause the delay.
Virus.
A virus is a malicious program or script that Spreads.
Malware, however, will not spread.
Viruses can spread without a victim's permission because it is automated to do so.
For example, the Melissa virus would look like a file attachment that used reverse psychology to make you open it. From there, it goes through the first 50 email contacts stored on your computer and sends the virus to them from your computer.