Rosetta comet landing: Twitter mocks all the simple things we can't do Some demanded the answer to these little annoyances: #WeCanLandOnACometButWeCant get breakfast at #McDonald's after 10:30am Lisa Marie (@LittleLisaMarie) November 13, 2014 #wecanlandonacometbutwecant convince the self-checkout machine that there is nothing unexpected in the bagging area. Holiday Hypermarket (@holidayhype) November 13, 2014 #wecanlandonacometbutwecant believe it's not butter. Satan'sToast (@SatansToast) November 13, 2014 Others got musical: #wecanlandonacometbutwecant Do that pic.twitter.com/VgtqRbHpaI lantenengo (@lantenengo) November 12, 2014 #WeCanLandOnACometButWeCant Live. If living is without you. Adam Ward (@Adam_Ward19) November 13, 2014 #WeCanLandOnACometButWeCant Touch this....STOP!! (Hammertime) http://t.co/gzVbdzQoRw Mr Gee 诗人 (@mrgeepoet) November 13, 2014 Then it got a little weird ... #WeCanLandOnACometButWeCant kiss our own elbow. Anything else is possible Javier Menendez (@Javiturboab) November 12, 2014 #WeCanLandOnACometButWeCant flush the toilet while someone is in the shower. Adam Todd (@AdamTodd310389) November 13, 2014 #WeCanLandOnACometButWeCant but we can't stop George Clooney from floating aimlessly in space. Voo Doo (@voodeaus) November 13, 2014 #WeCanLandOnACometButWeCant make brussel sprouts tasty Marchioness Snark (@UntamedSnark) November 13, 2014 But there were some good points made #WeCanLandOnACometButWeCant make socks that stay together in laundry Doug Carter (@Cartertwits) November 13, 2014 #WeCanLandOnACometButWeCant get Katie Hopkins to shut up. Roman Filipowicz (@fritzromanov) November 13, 2014 #wecanlandonacometbutwecant stop making stupid people famous ghost (@qrunged) November 13, 2014 #WeCanLandOnACometButWeCant find a shorter word for abbreviation While Leo even got a mention ... #WeCanLandOnACometButWeCant get Leo an oscar pic.twitter.com/Up2WQQ7rwx van Berge Dan den (@theBasedDan) November 12, 2014 But the best reaction to the comet landing came from Professor Monica Grady, who was overcome with emotion as her decade-long dream became a reality.