Select the correct text in the passage. Which sentence in the following paragraph correctly describes mobile technology?

•Mobile devices have become the main source of communication for many people around the world.• However, •businesses are still to capitalize on
the wide reach mobile communication.• •Social media is being increasingly used in marketing research. •Customized advertising can be integrated
based on specific users' location.• Smartphones do not have videoconferencing capabilities that is becoming a major business tool.

The ones with • are the options lol I’m not sure about this question?