Hi stephen.. I wrote it in my notepad.. Thanx for this beautiful suggestion.. I am very excited visiting you and ala daily for all good stuf about london show.. Thanx you are sharing all new ideas and things with us regarding this show.. This idea is great to exhibit or promote steem with actual stuff of laptop and steemians or steem bannerss.. One thing you can also made sone flex of some good posts from steem or a screen showing random clicks of different good steemians blogs articles and their earning.. Have a nice day.. Also you can manage some interesting show regarding steemit some musical consert or some puppet show etc what would be better.. I managed many shows so i have many ideas in my mind.. Good beautiful presentation of all space of steemit stall or place at that london show will be also helpful for attracting ppl