my name is tyler oakley, and i am here with oli white! favorite thing to do on my channel is collaborations. >> christmas gives me, like, anxiety. >> all of us youtubers are realizing, "okay, there's no point in not wanting to help all of us be successful and all of us rise together." >> rushkoff: here's how it works: tyler does a video with oli white, introducing his three million subscribers to oli, who has just 300,000. >> hey, guys, so today, i am with louise. >> rushkoff: oli does one with louise, who has a million. >> woop woop! i am here with hannah hart today. >> hello. >> rushkoff: louise brings her audience to hannah, who has 920,000. >> you met shane dawson today. >> rushkoff: hannah is very happy to work with shane, a comedian and musician with an astounding 5.4 million fans. >> ka-ching! >> rushkoff: and shane shows up in a video with liam horne. you probably don't know liam yet. he only has 45,000 subscribers. but that's going to change. >> ♪ oh, yeah... ♪ yeah, yeah, just like that, girl. ♪ hey, sexy lady, shane's got a mes