[ImgBot] Optimize images

[vecna]

Hi @dizzydaizys, how exactly you optimize the images?

*Total -- 3,674.03kb -> 3,015.80kb (17.92%)

/sections/images/facebookRulesOnExperimenting.png -- 31.64kb -> 12.94kb (59.1%)
/sections/images/pattern-questionmark.png -- 166.46kb -> 75.19kb (54.83%)
/sections/images/zeroedge.png -- 32.89kb -> 15.63kb (52.47%)
/sections/images/fbtrex-parser-workflow.png -- 32.33kb -> 18.38kb (43.15%)
/sections/images/facebookEmotionsManipulation.png -- 28.24kb -> 18.70kb (33.77%)
/sections/images/fbtrex16.png -- 1.43kb -> 1.03kb (28.14%)
/sections/images/fbtrex-parser-workflow-2.png -- 258.04kb -> 186.72kb (27.64%)
/sections/images/chromeextension.png -- 13.48kb -> 9.76kb (27.55%)
/sections/images/fbtrex-plan.png -- 122.06kb -> 89.27kb (26.86%)
/sections/images/posttype-alpha.png -- 69.57kb -> 51.03kb (26.64%)
/sections/images/echochamber123.jpg -- 229.07kb -> 174.30kb (23.91%)
/sections/images/social-media-week.png -- 35.16kb -> 26.84kb (23.67%)
/sections/images/RightToExplanation.png -- 57.41kb -> 43.93kb (23.47%)
/sections/images/pitch_facebookMetadata.png -- 74.26kb -> 57.43kb (22.67%)
/sections/images/exposuretoideologically.png -- 115.02kb -> 89.03kb (22.6%)
/sections/images/pitch_impact.png -- 93.44kb -> 73.37kb (21.48%)
/sections/images/murphy0.png -- 89.70kb -> 70.55kb (21.35%)
/sections/images/ChromeWebStore_Badge_v2_206x58.png -- 3.35kb -> 2.65kb (20.87%)
/sections/images/blockingofextremism.png -- 27.13kb -> 21.67kb (20.12%)
/sections/images/github-256.png -- 5.41kb -> 4.33kb (19.87%)
/sections/images/pitch_simpleviz.png -- 27.91kb -> 22.56kb (19.15%)
/sections/images/firefoxextension.png -- 22.61kb -> 18.40kb (18.64%)
/sections/images/pattern-open.png -- 36.16kb -> 30.83kb (14.73%)
/sections/images/ferguson.png -- 486.70kb -> 415.23kb (14.68%)
/sections/images/alphaviz2.png -- 42.42kb -> 36.38kb (14.25%)
/sections/images/alphaviz1.png -- 52.13kb -> 44.71kb (14.24%)
/sections/images/carboanarafight.png -- 171.25kb -> 149.10kb (12.93%)
/sections/images/WhenCorrectionFail.png -- 39.50kb -> 34.53kb (12.59%)
/sections/images/suppressconvervativeviews.png -- 188.80kb -> 165.27kb (12.46%)
/sections/images/fbtrex_logo-400x400.png -- 15.59kb -> 13.75kb (11.8%)
/sections/images/MerkelGoogleFacebook.png -- 143.61kb -> 127.99kb (10.87%)
/sections/images/murphy1.jpg -- 32.73kb -> 29.26kb (10.61%)
/sections/images/Tampermonkey.png -- 36.58kb -> 33.00kb (9.77%)
/sections/images/pattern.png -- 98.49kb -> 91.24kb (7.36%)
/sections/images/fbtrex_logo-1000x1000.png -- 36.94kb -> 34.39kb (6.89%)
/sections/images/livedemomeme.jpg -- 25.86kb -> 24.48kb (5.34%)
/sections/images/pattern-evil.jpg -- 251.43kb -> 238.20kb (5.26%)
/sections/images/epistemic-injustice.jpg -- 31.22kb -> 29.99kb (3.95%)
/sections/images/pattern-pasta.jpg -- 22.89kb -> 22.09kb (3.46%)
/sections/images/thespreadingofmisinformation.png -- 401.58kb -> 388.52kb (3.25%)
/sections/images/pattern-simple.jpg -- 23.55kb -> 23.12kb (1.82%)