A method of compensating for gate kickback in an electrooptic display, the display comprising an electrooptic electrophoretic display medium having a plurality of pixels and being mounted on a backplane, said backplane bearing a plurality of pixel driver circuits for said plurality of pixels, each said pixel driver circuit comprising a transistor having drain, source and gate connections, one of said drain and source connections being electrically coupled to a pixel electrode of a respective pixel, said gate electrode being electrically coupled to a gate drive line of said electrooptic display, said pixel driver circuit further having a common electrode, said common electrode being coupled to provide a common electrode connection for a plurality of said pixels, wherein, in use, a gate voltage on said gate drive line is controlled between a positive gate voltage (VgPOS) with respect to a common voltage (Vcom) on said common pixel electrode and a negative gate voltage (VgNEG) with respect to said common voltage on said common electrode to control information displayed by a pixel of said electrooptic display, and wherein the method comprises compensating gate kickback voltage when driving said display, said gate kickback voltage comprising a change in voltage across a said pixel electrode and said common electrode arising from capacitive coupling in said electrooptic display between a said gate drive line and a said pixel electrode, characterised in that said compensating further comprises: sensing positive and negative gate voltage values using an electronic circuit; and dynamically controlling said common voltage using said electronic circuit; wherein said electronic circuit automatically adjusts said common voltage dependent on a gate voltage swing determined by a difference between said positive and negative gate voltage values and wherein said offsetting comprises inputting said positive gate voltage and said negative gate voltage into a differential amplifier, controlling a digital-to-analogue converter to control said value of said common voltage, and controlling a reference level of said digital-to-analogue converter responsive to an output of said differential amplifier to perform said offsetting of said value of said common voltage, wherein an offset of said common voltage (Vcom), Voffset is determined using Voffset = K x Vgswing where K is a constant of proportionality for said display and Vgswing is said gate voltage, and wherein said DAC performs said multiplication. sensing positive and negative gate voltage values using an electronic circuit; and dynamically controlling said common voltage using said electronic circuit; wherein said electronic circuit automatically adjusts said common voltage dependent on a gate voltage swing determined by a difference between said positive and negative gate voltage values and wherein said offsetting comprises inputting said positive gate voltage and said negative gate voltage into a differential amplifier, controlling a digital-to-analogue converter to control said value of said common voltage, and controlling a reference level of said digital-to-analogue converter responsive to an output of said differential amplifier to perform said offsetting of said value of said common voltage, wherein an offset of said common voltage (Vcom), Voffset is determined using Voffset = K x Vgswing where K is a constant of proportionality for said display and Vgswing is said gate voltage, and wherein said DAC performs said multiplication.