Retweets on Twitter and shares on Facebook are both examples of which of the following?

A) Echo effect.
B) Viral spread.
C) A participation effect.
D) Online echo.
E) Both A and D.

Refer to Exhibit 14-8.After a total of 2, 000 warrants were exercised, the remaining warrants expired.The entry to record the expiration of the warrants would include a credit to Additional Paid-in Capital from Expired Warrants for

A) $26, 000
B) $39, 000
C) $42, 000
D) $65, 000