Based on Bekenstein-Hawking formula, the black hole maximal entropy , the maximum amount of information bits that a black hole can conceal, beyond its event horizon, is proportional to the area of its event horizon surface divided by quantized area units, in the scale of Planck area (the square of Planck length). Since any sphere is limited to the amount of information bits it can contain within its volume of space, up to the limit of the information within a black hole with an event horizon at the radius of this sphere, the Bekenstein-Hawking formula is the upper limit for information contained within any sphere (or volume) of space. This is a surprising result since it limits the amount of information bits that are concealed in a volume of space to the amount of Planck area units that can fit onto its surrounding surface area. This can lead to the idea that the fabric of spacetime is a fabric of entangled information units at the size of Planck length (for each information unit). Due to entanglement, the information in a volume of space is entangled to the information on its surrounding sphere and is limited by the surrounding sphere area divided by Planck area, just as Bekenstein-Hawking calculated for the black hole entropy. The best candidate to carry the entangled information quantum bits in empty space, will be the virtual particles quantum fluctuations in the vacuum, that pop in and out of existence due to The Heisenberg uncertainty principle . Some of these virtual particles that pop in and out of existence in empty space are non-correlated random noise fluctuations that cancel each other, and some are correlated information fluctuations. The correlated information fluctuations on the surface of the sphere represent information regarding the energy and mass within the volume of this sphere. As the information carrying, correlated virtual particle pairs pop in and out of existence, they define the pulse of time.