Final answer:
The most effective revision for sentence 7 is option A, as it maintains a clear 'doer' and action, making the sentence stronger and easier to understand.
Step-by-step explanation:
The most effective revision to make in sentence 7 is A. 'It’s easy to snap a photo, load it on a website, and type a quick synopsis of where they are and what they’re doing.' This revision uses active voice and directly describes the actions being taken, which creates a stronger, clearer sentence. This option maintains the 'doer' performing the action, thereby improving the readability and engagement for the reader. The sentence is concise and to the point, demonstrating effective communication and proper sentence structure.