for us an incidentally debls contribution to our lives without sharing our homes we've been doing for more than 16 years long before air b and b consist there are a number of the organizations and to which people share their homes many are not well known but a power one word of mouth that's going on without regulation we support regulation and strongly urge you to allow for the achieveable and comparable rules that will cover the various categories of people engaging in this activity and even though it's complicated it's not rocket science you can do it and you can do it in a clear efficient manner thank you very much. >> thank you very much. next speaker. >> good afternoon. i just have a few comment first of all, home sharing i could see the point that might be a great asset to people that benefit greatly from it my concerns primarily is on the rentals. and the reason why i'm concerned about the rentals san francisco i'm sure you're aware of is facing a critical shorthand of housing for moderate rate income people and i'm afraid that some people who are arresting constitute well awar