New App Purports to Tell You if you are Too Stoned to Drive by “Testing” Your Reaction Time Especially in places where marijuana has been decriminalized, but elsewhere as well, DUI detection has become a… Scroll down to read more!

Especially in places where marijuana has been decriminalized, but elsewhere as well, DUI detection has become a more complicated process.   Unlike alcohol, here is no “breath test” for marijuana, leaving cops to use their own subjective techniques (not that breathalyzers are trustworthy, but at least they are, arguably anyhow, more objective than an individual officer’s personal observations and opinions) in assessing whether or not they have probable cause (PC) to make an arrest for impaired driving.  While there are plenty of apps designed to tell you if you have consumed too much alcohol to safely drive (** note that none of these apps can “tell” you if you can “lawfully drive” and all of them are more for entertainment purposes than they are for “legal advise”) now there is “My Canary”, which uses four (4) “tests” to assess memory, reaction time, balance and time perception, all of which are intended to tell you if you are “too stoned to drive”.

Canary starts by establishing a “base line” at a time when the app user is sober and all subsequent “results” are measured against the base line afterward.  When the app user is stoned s/he can check to see what effect marijuana is having on them.  There are four (4) categories within the app to test balance, memory, reaction time and time perception using fast game-like activities.

After completing all four (4) “tests” the results are put against the baseline for a green, yellow or red light as to whether the user should be driving. 

The app was developed by Colorado resident Marc Silverman, a retired engineer who is pictured below, who believed that in states like his (CO) people have become more concerned with drugged drivers than drunk ones.  Says Silverman:  “The public would be a lot more accepting if they felt more comfortable that people were driving safely and performing safely and there should be an easy test to help determine if you’re impaired.  I’ve worked with NASA astronauts and professional baseball players and Parkinson’s disease patients. So this is my pedigree.”  Silverman affirmatively stated that he is “marketing the app for pot smokers and not as a tool for law enforcement”, and Canary presently costs $4.99 in the App Store.

Per the Colorado Department of Transportation, 116 people were killed in crashes involving a drugged driver in 2014.  

When it comes to the subject of drinking OR CONTROLLED SUBSTANCES and driving, the best advice that you are ever going to hear is:  “Don’t do it!  Get a DD (Designated Driver), not a DUI”.

Be smart: Don’t drink OR USE and drive, but, if you do, just say “NO{thing}”, don’t blow (in FL your 2nd subsequent refusal is a crime) and call me stat at 305-381-8686, 305-798-2220 or 1-888-SHARK-8-1.

Michael A. Haber, P.A.: Providing creative, effective and zealous criminal defense litigation services primarily in SoFlo since 1991.

At Michael A. Haber, P.A. “Its all about reasonable doubt”! 

Michael A. Haber, Esq. is prepared to speak with you about your case!

Cell: 305-798-2220; Office: 305-381-8686; Toll Free: 1-888-SHARK-8-1


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Michael A. Haber

At Michael A. Haber, P.A. "it's all about reasonable doubt"! Whether in State or Federal Courts, Michael A. Haber, P.A. strives to ensure that his client's rights are respected and that his clients receive top-tier legal representation and counsel. For more than a quarter of a century I have striven to make Michael A. Haber, P.A. a business that custom tailors its services to meet the needs of the client. This incorporates such things as (but is not limited to) doing my best to meet clients at their convenience (as opposed to mine), in locations and at times which are mutually convenient (sometimes at their homes, places of business, independent ground - having free wifi and excellent coffee any Dunkin Donuts always works for me - and occasionally even at odd hours), structuring fees to reasonably accommodate the parties, making myself personally available to the client as close to 24/7 as is possible and, perhaps most importantly, giving careful and comprehensive consideration to both micro and macro issues in a given case so as to be able to agree upon and effort toward a viable litigation objective. This is why I refer to Michael A. Haber, P.A. proudly providing "boutique criminal defense litigation" (being "a small company that offers highly specialized services"), and this is a large part of Michael A. Haber, P.A.'s mission statement Accordingly, Michael A. Haber, P.A. has provided personalized and boutique legal services to both individuals and entities, primarily in the South Florida area, since 1991. With no history of professional discipline whatsoever, Michael A. Haber, Esq. zealously advocates his client's interests and custom tailors his services to meet each client's particular situation, needs and desires. Toward that end Michael A. Haber, Esq. makes himself directly available to his clients whether in person, over the phone (305-381-8686 or Toll Free 1-888-SHARK-8-1), by cell, verbally or text (305-798-2220), by e-mail ([email protected]) on Facebook ( ), on Twittter, (@Sharkjy910) on AOL/IM (Sharky910), and also why I consistently add information to the public on both the Michael A. Haber, P.A. Criminal Michael A Haber PA Criminal DUI Defense Litigation Miami Blog ( and with my "Webisode" series on YouTube (, whcih currently features 222 briegf VideoFAQ's on a variety of Criminal Defense, DUI and BUI related topics. When you hire Michael A. Haber, P.A. you get Michael A. Haber, Esq.! And remember, at HaberPA, it's all about reasonable doubt!
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  • positive review  Top notch, very skilled, and highly attentive. Mr. Haber is a fantastic criminal defense attorney.

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    July 26, 2017
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    April 10, 2017
  • Excellence in criminal defense. Very informative And upfront of wiyh your crimanal defense

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    April 11, 2016
  • positive review  Michael is the person to call when you need help or advice! He understands.

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    January 11, 2014
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    December 21, 2013
  • positive review  Michael has helped my family and I on a few occasions and the results were excellent, he represents his clients with the utmost respect and professionalism.

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    August 12, 2013
  • positive review  ABSOLUTELY Michael. Your my second favorite Lawyer behind my cousins Law firm in Brooklyn. The Berkman Law Firm.

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    August 11, 2013
  • positive review  Interesting and Informative

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    July 20, 2013