Memorising the script sounds like the honest option: no glass, no scrolling text, just you saying what you mean. The costs arrive on the day. A two-minute video is around three hundred words, and delivering three hundred words verbatim to a lens is a different task from knowing them in the shower. Takes multiply — you fluff a line ninety seconds in and the take is dead, and the next one dies at the same line because now you are braced for it. Energy drains with every restart, and delivery is what pays: by take eight you are word-perfect and flat. Then there is the look. Actors spend rehearsal weeks getting past the recall stage; most of us film inside it. The eyes drift up and to the side, the face stills, and the viewer watches you remembering instead of talking to them. Everyone recognises it, even without a name for it.
Sometimes the price is right. Short pieces — a hook, an opener, the one line the whole video exists for — are cheap to memorise and worth owning outright, because your eyes are free and the camera can be anywhere. Material you will deliver many times repays memorising once: the pitch, the talk, the answer you give in every interview. And a piece whose entire value is feeling unguarded may justify the takes it burns. A workable rule: under a hundred words, or delivered repeatedly, memorise. A one-off script of five hundred words to camera, almost never. The expensive mistake lives in the middle — pieces just long enough to be hard to hold, shot exactly once, on an afternoon that had other plans.
A teleprompter buys the afternoon back, and a voice-following one changes the terms of the trade. A fixed-speed scroll makes you serve the text, which is where the recited prompter sound comes from. Voice follow reverses it: the script scrolls as you speak, waits when you pause, and catches up when you skip a sentence. So you no longer have to choose between knowing the script and reading it. Half-know it — the shape of the argument, the first words of each paragraph — and let the prompter hold the exact wording. Glance when you need the next phrase. Look away, improvise a sentence, and the script waits for you to come back. What you get borrows from both sides: the precision of writing, most of the freedom of memory, and the take count of neither.
Whichever way you decide, decide before the tripod is up, and with the numbers in view. Talk2Camera’s script library shows a word count and an estimated read time on every script, which doubles as a price list for memorisation: sixty words is ten minutes with your coffee, three hundred is an afternoon of rehearsal you may not have. Write the piece, look at the number, choose per script rather than by conviction. Favourites and folders then keep the pieces you deliver again and again — the ones genuinely worth memorising — from disappearing among the one-offs, which are exactly the scripts the prompter should be reading for you.