We think a smartphone app-type, GPS-enabled time tracking tool for tasks and hours would be a good start.

I mean smart phones are obsolete as soon as you buy it.

Just read over previous message, Thanks for overlooking the typos that my smartphone autocorrected.

(although, with the new smart phone technology, they do require gmail accounts, as such, sending from that account from your phone is fine, but you should be sending to people who already know you have a real email account.

Parents buy their 11 year olds smartphones.  

As to your numerical goal, you can certainly exceed that (and ultimately by a large margin).Most would-be real estate investors get distracted along the way but have lots of smart phone apps.

You can invite as many people as you wish to access the software both on their laptops and on their smartphones. 

I see replys immediately and up to a day or more later.Given the delayed replies and practicality with any automated tool I don't see a practical solution OTHER then using their smart phone app. 

We are customizing our Podio so that leads with a certain label can be automatically pushed to a list on Smartphone Dialer for more efficient follow-ups that can be retargeted fresh.

Third, I am considering a system such as Swiftlane that will allow the tenant to buzz someone in using their smartphone.