the vast, vast majority of users do NOT have a checkmark. you do NOT need to pay the $8 and NOTHING changes, other than you know awesome free features he is bringing to everyone like an EDIT button... finally. if you have an online presence like celebrities, journalists, and other notable people who want to be certain their readers on twitter can identify them as authentic, the $8 fee is a drop in the bucket vs. the outreach Twitter provides to their audience. if you are normal everyday person and just want less ads and make sure your replies to threads have more visibility than bots then yeah, you can pay $8 too. the man bought a BUSINESS, a company which has NOT been making money. Elon doesn't just want to make changes to moderation, he wants the company in time to make money and this is a necessary part of the process.