{"id":79,"date":"2026-01-09T10:30:47","date_gmt":"2026-01-09T07:30:47","guid":{"rendered":"https:\/\/blogs.e-me.edu.gr\/a534248\/?p=79"},"modified":"2026-01-09T10:56:23","modified_gmt":"2026-01-09T07:56:23","slug":"%ce%ba%cf%85%ce%ba%ce%bb%ce%bf%cf%83-%ce%b6%cf%89%ce%b7%cf%83-%cf%80%cf%81%ce%bf%cf%8a%ce%bf%ce%bd%cf%84%ce%bf%cf%83","status":"publish","type":"post","link":"https:\/\/blogs.e-me.edu.gr\/a534248\/2026\/01\/09\/%ce%ba%cf%85%ce%ba%ce%bb%ce%bf%cf%83-%ce%b6%cf%89%ce%b7%cf%83-%cf%80%cf%81%ce%bf%cf%8a%ce%bf%ce%bd%cf%84%ce%bf%cf%83\/","title":{"rendered":"\u039a\u03a5\u039a\u039b\u039f\u03a3 \u0396\u03a9\u0397\u03a3 \u03a0\u03a1\u039f\u03aa\u039f\u039d\u03a4\u039f\u03a3"},"content":{"rendered":"<p>\u039f \u03ba\u03cd\u03ba\u03bb\u03bf\u03c2 \u03b6\u03c9\u03ae\u03c2 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd, \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03c0\u03b5\u03b9\u03ba\u03cc\u03bd\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2<br \/>\n\u201c\u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1\u03c2\u201d \u03c3\u03c4\u03b7\u03bd \u0391\u03b3\u03bf\u03c1\u03ac, \u03c3\u03b5 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd<br \/>\n\u201c\u03b5\u03bc\u03c0\u03bf\u03c1\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u201d \u03ba\u03ac\u03b8\u03b5 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03bf\u03c2 (\u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03c0\u03cc\u03c3\u03bf \u03b4\u03b7\u03bc\u03bf\u03c6\u03b9\u03bb\u03ad\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9<br \/>\n\u03b1\u03c5\u03c4\u03cc \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03c9\u03c4\u03ad\u03c2 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd<br \/>\n\u03a0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae\u03c2).<br \/>\n\u0397 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03ac\u03c6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03a4\u0395\u03a3\u03a3\u0395\u03a1\u0399\u03a3 (4) \u03c6\u03ac\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9<br \/>\n\u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03bd \u03b4\u03b9\u03c0\u03bb\u03b1\u03bd\u03cc \u03c0\u03af\u03bd\u03b1\u03ba\u03b1.<\/p>\n<p><span style=\"font-size: 14pt\"><strong>1\u03bf \u03a3\u03c4\u03ac\u03b4\u03b9\u03bf (\u0395\u03c1\u03c9\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u2013 Question mark) :<\/strong><\/span><\/p>\n<p>\u03a4\u03bf \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd \u0394\u0395\u039d \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae\u03bd \u03b3\u03bd\u03c9\u03c3\u03c4\u03cc<br \/>\n\u03c3\u03c4\u03b7\u03bd \u0391\u03b3\u03bf\u03c1\u03ac \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03c0\u03c9\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03cc\u03bc\u03b1 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ad\u03c2. \u0386\u03c1\u03b1 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03af\u03b3\u03bf\u03c5\u03c1\u03bf \u03cc\u03c4\u03b9 \u03b8\u03b1 \u03ad\u03c7\u03b5\u03b9<br \/>\n\u03b5\u03bc\u03c0\u03bf\u03c1\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1 \u03c3\u03c4\u03b7\u03bd \u0391\u03b3\u03bf\u03c1\u03ac (\u0395\u03c1\u03c9\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-85\" src=\"https:\/\/blogs.e-me.edu.gr\/a534248\/wp-content\/uploads\/sites\/341079\/2026\/01\/apple_vison_pro-removebg-preview.png\" alt=\"\" width=\"225\" height=\"225\" srcset=\"https:\/\/blogs.e-me.edu.gr\/a534248\/wp-content\/uploads\/sites\/341079\/2026\/01\/apple_vison_pro-removebg-preview.png 225w, https:\/\/blogs.e-me.edu.gr\/a534248\/wp-content\/uploads\/sites\/341079\/2026\/01\/apple_vison_pro-removebg-preview-150x150.png 150w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 14pt\"><strong>2\u03bf \u03a3\u03c4\u03ac\u03b4\u03b9\u03bf (\u0391\u03c3\u03c4\u03ad\u03c1\u03b9 \u2013 Star):<\/strong><\/span><\/p>\n<p>\u03a4\u03bf \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c1\u03c7\u03af\u03c3\u03b5\u03b9 \u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b3\u03bd\u03c9\u03c3\u03c4\u03cc \u03c3\u03c4\u03b7\u03bd \u0391\u03b3\u03bf\u03c1\u03ac \u03ba\u03b1\u03b9 \u03bf\u03b9<br \/>\n\u03c0\u03c9\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03c5\u03be\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c1\u03b1\u03b3\u03b4\u03b1\u03af\u03b1 \u03cc\u03c3\u03bf \u03c4\u03bf \u03ba\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03c9\u03c4\u03b9\u03ba\u03cc \u03ba\u03bf\u03b9\u03bd\u03cc \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b1<br \/>\n\u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b1\u03b3\u03c9\u03bd\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 (\u0391\u03c3\u03c4\u03ad\u03c1\u03b9 \u2013 \u0395\u03bb\u03c0\u03af\u03b4\u03b1 \u03b3\u03b9\u03b1 \u03c0\u03c9\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-86\" src=\"https:\/\/blogs.e-me.edu.gr\/a534248\/wp-content\/uploads\/sites\/341079\/2026\/01\/Tesla_model_Y-removebg-preview-300x167.png\" alt=\"\" width=\"300\" height=\"167\" srcset=\"https:\/\/blogs.e-me.edu.gr\/a534248\/wp-content\/uploads\/sites\/341079\/2026\/01\/Tesla_model_Y-removebg-preview-300x167.png 300w, https:\/\/blogs.e-me.edu.gr\/a534248\/wp-content\/uploads\/sites\/341079\/2026\/01\/Tesla_model_Y-removebg-preview.png 669w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><span style=\"font-size: 14pt\"><strong>3\u03bf \u03a3\u03c4\u03ac\u03b4\u03b9\u03bf (\u0391\u03b3\u03b5\u03bb\u03ac\u03b4\u03b1 \u2013 Cash Cow):<\/strong><\/span><\/p>\n<p>\u03a4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03c4\u03c9\u03bd \u03c0\u03c9\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03bf\u03c2 \u03b1\u03c5\u03c4\u03bf\u03cd \u0394\u0395\u039d<br \/>\n\u03c0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03ad\u03b2\u03b5\u03b9 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9. \u03a3\u03c4\u03b7 \u03c6\u03ac\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ae \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c1\u03bf\u03ae \u03c0\u03c9\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd, \u03cc\u03c0\u03c9\u03c2 \u03bc\u03b9\u03b1<br \/>\n\u03b1\u03b3\u03b5\u03bb\u03ac\u03b4\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03b3\u03ac\u03bb\u03b1 (Cash Flow - Cash Cow), \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bd\u03b1 \u201c\u03b2\u03b3\u03b5\u03b9\u201d \u03c3\u03c4\u03b7\u03bd \u03b1\u03b3\u03bf\u03c1\u03ac \u03ad\u03bd\u03b1<br \/>\n\u03ba\u03b1\u03b9\u03bd\u03bf\u03cd\u03c1\u03b9\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1 \u03ae \u03b1\u03c0\u03cc \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf\u03bd \u03b1\u03bd\u03c4\u03b1\u03b3\u03c9\u03bd\u03b9\u03c3\u03c4\u03ae.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-91\" src=\"https:\/\/blogs.e-me.edu.gr\/a534248\/wp-content\/uploads\/sites\/341079\/2026\/01\/asufbo-removebg-preview.png\" alt=\"\" width=\"200\" height=\"250\" \/><\/p>\n<p><span style=\"font-size: 14pt\"><strong>4\u03bf \u03a3\u03c4\u03ac\u03b4\u03b9\u03bf (\u0393\u03ad\u03c1\u03b9\u03ba\u03bf \u03a3\u03ba\u03c5\u03bb\u03af \u2013 Old Dog)<\/strong><strong>:<\/strong><\/span><\/p>\n<p>\u038c\u03c4\u03b1\u03bd \u03c7\u03b1\u03b8\u03b5\u03af \u03c4\u03bf \u03b1\u03b3\u03bf\u03c1\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd, \u03c4\u03cc\u03c4\u03b5 \u03bf\u03b9<br \/>\n\u03c0\u03c9\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b4\u03c1\u03b1\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac (\u03bc\u03ad\u03c7\u03c1\u03b9 \u03bd\u03b1 \u03bc\u03b7\u03b4\u03b5\u03bd\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd). \u03a4\u03bf \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b1\u03bb\u03b9\u03ce\u03c3\u03b5\u03b9, \u03ae \u03ad\u03c7\u03b5\u03b9<br \/>\n\u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03b1\u03b8\u03b5\u03af \u03b1\u03c0\u03cc \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1, \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03b1, \u03c6\u03b8\u03b7\u03bd\u03cc\u03c4\u03b5\u03c1\u03b1 \u03ba\u03bb\u03c0. \u0394\u03b5\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03c0\u03bb\u03ad\u03bf\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd<br \/>\n\u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ac\u03c3\u03c4\u03c1\u03b9\u03b1 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03c0\u03b7\u03b3\u03ae \u03b5\u03c3\u03cc\u03b4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03c3\u03c5\u03bc\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03b9\u03ba\u03ac (\u0393\u03ad\u03c1\u03b9\u03ba\u03bf \u03a3\u03ba\u03c5\u03bb\u03af).<br \/>\n\u03a3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c6\u03ac\u03c3\u03b7\u03c2 \u03b1\u03c5\u03c4\u03ae\u03c2 \u03c4\u03bf \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd \u03b1\u03c0\u03bf\u03c3\u03cd\u03c1\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u0391\u03b3\u03bf\u03c1\u03ac.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-89\" src=\"https:\/\/blogs.e-me.edu.gr\/a534248\/wp-content\/uploads\/sites\/341079\/2026\/01\/DvD_player-removebg-preview-295x300.png\" alt=\"\" width=\"295\" height=\"300\" srcset=\"https:\/\/blogs.e-me.edu.gr\/a534248\/wp-content\/uploads\/sites\/341079\/2026\/01\/DvD_player-removebg-preview-295x300.png 295w, https:\/\/blogs.e-me.edu.gr\/a534248\/wp-content\/uploads\/sites\/341079\/2026\/01\/DvD_player-removebg-preview.png 495w\" sizes=\"auto, (max-width: 295px) 100vw, 295px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u039f \u03ba\u03cd\u03ba\u03bb\u03bf\u03c2 \u03b6\u03c9\u03ae\u03c2 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd, \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03c0\u03b5\u03b9\u03ba\u03cc\u03bd\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u201c\u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1\u03c2\u201d \u03c3\u03c4\u03b7\u03bd \u0391\u03b3\u03bf\u03c1\u03ac, \u03c3\u03b5 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u201c\u03b5\u03bc\u03c0\u03bf\u03c1\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u201d \u03ba\u03ac\u03b8\u03b5 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03bf\u03c2 (\u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03c0\u03cc\u03c3\u03bf \u03b4\u03b7\u03bc\u03bf\u03c6\u03b9\u03bb\u03ad\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03c9\u03c4\u03ad\u03c2 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd&nbsp;[ &hellip; 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