Question $10(1$ point$)$

AOLs biggest contribution to the development of Web $2\mathrm{.}0$ was its decision to

send people free internet trials on CDs

charge a monthly fee for unlimited internet usage

offer chatrooms that were exclusive to its users

charge a small hourly fee for internet usage

Question $1(1$ point$)$

Which symbol is most likely to be used when sending a direct message to a specific

user on Twitter?

#

@