Continuity mistake: When Bond's fighting in the lift, Tiffany comes out of her flat - she has her arms by her side as she sees the battle going on. After a cut, she's suddenly tucked against the door frame with her arms tucked in against her chest.
Continuity mistake: When the cops chase Bond in Las Vegas, they all drive by many cars. However, in a close-up inside the police car, one can see an empty road behind.
Continuity mistake: When the cops make a U-turn to chase Bond in Las Vegas, the number of bystanders on both curbs decreases noticeably between the close-up and wide shots.
Continuity mistake: When Bond exits the Las Vegas airport, there is a woman in orange surrounded by cabin crew and a parked taxi next to them. A split second later, it's just her alone and the taxi is away, now driving towards her. (00:52:10)
Continuity mistake: When Bond raises the man in the mud's head, the mud is smooth. From an immediate new angle, it's rugged.
Continuity mistake: Before Q explains how the electromagnetic ring works with the slot machines there's a close-up shot of the coins falling. His jacket is nowhere to be seen despite him being right next to the machine.
Continuity mistake: When Tiffany is about to grab Frank's wallet his shirt is covered in foam. When she reaches out for it the foam is gone and his shirt is wet.
Continuity mistake: In the Whyte House casino Q plays with the slot machine with his left hand placed on it. In the close-up his hand is gone. (01:30:30)
Continuity mistake: In the dentist office the cap on the bottle of pills is loose, a shot later it's closed tight and yet a shot later it's missing. (00:10:20)
Continuity mistake: When the movie begins Bond chokes a girl with her bikini, light side of the fabric facing camera. A shot later it's the dark side facing.
Continuity mistake: When Bond is having his chase through Las Vegas with all the police there are several shots of the casino clocks in the background. At one point the time goes from 1:30 to almost 4 o'clock in just a few minutes.
Continuity mistake: When Bond is speaking to Tiffany by the swimming pool, he puts one arm into his jacket, but when the camera is behind Bond in the next shot, the jacket is now completely on.
Continuity mistake: When Bond first drives off in the moon buggy the wheels have silver hubcaps on them, but when he crashes through the wall and goes outside, the centres of the wheels are completely different.
Continuity mistake: When the helicopters approach the oil rig there are only 5, and 5 dots appear on the radar in the control room, but when the attack starts there are now 6 helicopters.
Continuity mistake: When Bond exists the car park using the trailer as a ramp he skims the tops of several parked cars, but when the police car tries it, the car crashes into a police car that has appeared from nowhere - it hasn't just pulled up as it is driverless.
Continuity mistake: When Bond is dumped in the pipe he is lying in the middle, also when the pipe is picked up he is in the same place, but when he comes to he is now lying on a join in between two pipes.
Continuity mistake: In the opening scene Bond drops a load of mud type mixture onto the guy in the bath and we see the mixture overflowing on the sides where Bond is lying but when he gets up he is completely clean.
Continuity mistake: In the Freemont St. Chase scene, Bond passes the same casinos multiple times going the same direction without ever turning.
Continuity mistake: When Thumper dives into the pool after Bond, she is wearing a gold band on her left arm. After she surfaces, it's mysteriously disappeared. (01:52:00 - 01:53:00)
Continuity mistake: When Bond is being strangled by Mr Wint, he smashes a bottle of Courvoisier and throws the contents at Mr Kidd who is holding the flaming skewers. When Mr Kidd's arms are set alight, Tiffany getting up from the table, and in the next shot, she is getting up again to stand by the wall.
Answer: If you mean by hiding - why is he never seen normally - then it's because he is a recluse and doesn't like to be seen in public (like Howard Hughes was). If you mean by hiding - why was he not seen during the movie - then it's because he was being held captive by Blofeld and his minions. Spectre didn't want him out and about ruining their plans.
Zwn Annwn