Which of the following is considered the fastest and cheapest means of text-based communication worldwide?

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): Net neutrality refers to the principle that Internet Service Providers must treat all content, sites, and platforms in a non-discriminatory manner. Reason (R): It is the principle that an ISP must provide access to all sites, content, and applications under the same conditions without blocking or giving preference to any specific content. In the context of the above statements, which one of the following is correct?

Which of the following smileys expresses happiness in text communication?