Tinker Tailor Soldier Spy is, in effect, a remake of the much-revered adaptation starring the late great Alec Guinness. The moviemakers should have left well enough alone.
Nevertheless, the technology addiction cannot be ignored as a competitor to reading. Indeed, some prognosticators may be right in citing the eventual rise of the tablet as a device of choice for everything under the techie sun, including reading.
While the movie has, to my mind, numerous flaws as a film biography of a powerful political figure, I would recommend it as an interesting and sincere attempt to portray the emotional life of a legendary female politician.