For anyone else that's having trouble reading the flow diagram because of the animation:

    +------------------------------------+
    |         Milestone starts           |
    |                                    |
    | when both parties accept its terms |
    +------------------------------------+
                      |
                      | Money is transferred
                      | into escrow account
                      V
  +-----------------------------------------+
  |           Freelancer uploads            |
  |                                         |
  | a demo (link or video) and deliverable. |
  |      Client only receives the demo      |
  +-----------------------------------------+
          |                             |
         / \                           / \
        /   \                         /   \
       /     \                       /     \
      /       \                     /       \
     < Accepts >                   < Rejects >
      \       /                     \       /
       \     /                       \     /
        \   /                         \   /
         \ /                           \ /
          |                             |
          V                             |
  +---------------------------------+   |
  |     Transaction gets made       |   |
  |                                 |   |
  | Freelancer receives the money,  |   |
  | Client receives the deliverable |   |
  +---------------------------------+   |
                                        V
   +-----------------------------------------+
   |               Lose-lose                 |
   |                                         |
   | Freelancer only receives a third of the |
   |    sum, rest is paid back to client.    |
   | Client doesn't receive the deliverable. |
   +-----------------------------------------+