here now on skype out of los angeles is david leonard, an associate professor who researchers video games and popular culture. a video game arts and culture company. and hosts of the program game show co-founder of the company dozen eyes. but declined we will get into that, thank you for being here. help us set the stage for anyone who is not emerged in this type of gaming, how big is the industry? how fast is it growing? >> sure, well, at this point the video game industry really reflects the culture at large. it is $100 billion industry, you start to see a lot of diversity in terms of the types of people that are playing. the largest segment is women in their 20's and 30's. larger than teenager boys so we are seeing a lot of the same demographic shifts. >> $100 billion that's got to rival hollywood, doesn't it? yeah, absolutely. the thing is games is revenue is split up, there's stuff that is sold at retail. mobile devices if there's something you can plug it in, you can probably play a game on it. how interconnected is video gaming and is entertainment industry. >> very connected. the

david muir along with george stephanopoulos will bring us live coverage beginning at 7:00 tonight. election day means voting selfies, of course. many people are taking pictures of themselves with their i voted stickers. even leonardemoy got into the act. the actor most famous for his role on star trek tweeted this out. he said simply i voted. >>> from star trek to a modern science nerd, the young inventor whose dream is taking a big step forward. we first told you about him last february and his dream of mass producing a braille printer. the 12-year-old, he is 12, made the prototype almost entirely out of [ inaudible ]. intel loved the idea so much it is now investing in the project. it's not saying how much but reports it is several hundred thousand dollars. he plans to use the money to build a better prototype and hopes to sell the printers for $350 apiece, far less than the ones on the market. they cost a lot more than that. >> i played with legos when i was a kid. >> didn't have that idea? >> no, no. >>> coming up next, the catchiest song of all time according to science. >>> plus, choreograp >>> in the abc 7 newsroom, coming up on abc 7 news at 6:00, up to the minute results on important national congression