1 00:00:00,540 --> 00:00:07,290 Welcome back and the last section we talked about how we have Google dot com, and if we enter an IP 2 00:00:07,290 --> 00:00:11,060 address, we essentially get all these files from Google. 3 00:00:11,070 --> 00:00:18,090 So if we look back at the diagram that we had, we see here that the Google servers just send us a couple 4 00:00:18,090 --> 00:00:23,250 of files which are HTML and JavaScript, again, something that we'll cover later on. 5 00:00:23,490 --> 00:00:28,700 But for now, based on the knowledge, we should be able to break Google. 6 00:00:28,710 --> 00:00:30,510 So let's play something. 7 00:00:30,690 --> 00:00:38,130 If you open up Google Chrome and you go into view, then developer, then developer tools. 8 00:00:39,080 --> 00:00:43,850 You're going to have a screen over here that pops up, you might want to move it up and down just so 9 00:00:43,850 --> 00:00:44,570 you can see better. 10 00:00:45,540 --> 00:00:51,540 Let me just scroll this down a bit so you can see you'll see over here that there is a little icon on 11 00:00:51,540 --> 00:00:54,020 the left with a pointer and a window. 12 00:00:54,240 --> 00:00:59,970 If you click on that and now go to the website, you'll see it selects a bunch of different things. 13 00:01:00,360 --> 00:01:01,650 So it's just an element selector. 14 00:01:01,650 --> 00:01:03,250 So let's just click on this. 15 00:01:03,750 --> 00:01:10,950 So when I click on this, it takes me to the part of the HTML file that essentially tells Google to 16 00:01:10,950 --> 00:01:12,240 put in Google search here. 17 00:01:13,110 --> 00:01:18,720 So based on that, we can do something fun and we can get the valley over here of Google Search and 18 00:01:18,720 --> 00:01:21,690 let's change it to Andre's search. 19 00:01:22,830 --> 00:01:23,550 Press enter. 20 00:01:25,110 --> 00:01:31,650 Look at that, we have we now just changed Google to have Andray search over here, that's very, very 21 00:01:31,650 --> 00:01:31,950 cool. 22 00:01:32,220 --> 00:01:35,640 I want you to play around with that and see what you can do. 23 00:01:35,820 --> 00:01:39,960 For example, if I now select the sound just like I don't want this, I'm going to press the delete 24 00:01:39,960 --> 00:01:40,980 key and just delete it. 25 00:01:41,220 --> 00:01:41,690 Look at that. 26 00:01:41,700 --> 00:01:42,650 I can delete that. 27 00:01:43,080 --> 00:01:44,280 OK, I don't like that either. 28 00:01:44,290 --> 00:01:46,560 I'm going to press delete on that as well. 29 00:01:46,980 --> 00:01:48,990 And let's see. 30 00:01:49,140 --> 00:01:49,680 You know what? 31 00:01:50,610 --> 00:01:54,770 On the entire website, I want this entire body thing gone, delete. 32 00:01:54,810 --> 00:01:58,300 Look at that, we just completely deleted Google. 33 00:01:58,320 --> 00:02:02,370 Now you must be freaking out what happened in my going to be sent to jail. 34 00:02:02,580 --> 00:02:03,510 I just deleted Google. 35 00:02:03,540 --> 00:02:05,090 Well, no, not really. 36 00:02:05,370 --> 00:02:09,449 Press enter and Google is back now. 37 00:02:09,449 --> 00:02:10,300 Why is that? 38 00:02:10,320 --> 00:02:13,170 What if we go back to our diagram? 39 00:02:13,710 --> 00:02:18,840 We have Google servers and we were playing around with one of these files and we just modified it. 40 00:02:18,840 --> 00:02:21,600 We essentially just said delete, delete. 41 00:02:21,810 --> 00:02:22,770 So Google was gone. 42 00:02:22,770 --> 00:02:27,510 But when I made that request, again, Google servers, no problem. 43 00:02:27,510 --> 00:02:28,620 We have these files. 44 00:02:28,980 --> 00:02:33,420 They send these files all over again back to the server. 45 00:02:34,290 --> 00:02:36,530 Hopefully that made sense to you. 46 00:02:36,540 --> 00:02:43,830 We see that the browser essentially is a tool, a piece of software that can receive files from servers 47 00:02:43,830 --> 00:02:45,300 and it knows how to read them. 48 00:02:45,300 --> 00:02:51,780 So that look, that we get pretty Google and we can type in all the searches that we want in the world. 49 00:02:52,780 --> 00:02:56,860 All right, let's get to the next section where we talk about the Internet backbone. 50 00:02:57,420 --> 00:02:58,420 See in the next one. 51 00:02:58,680 --> 00:02:59,070 Bye bye.