Email Productivity How to be more efficient in written communications 
Example of how to estimate costs of reading emails (From Email at the workplace) At Cograf Comunicaciones we used the above mentioned equation in a financial company operating in Venezuela and other Latin American countries, where we provided consulting services on this topic, and found that it can also be applied in this part of the world. This company has 480 employees and each receives an average of 40 emails per day (almost double the amount received in the British company mentioned before). These 40 daily messages are valid workrelated mails and don't include "spam", which is filtered by the security system installed in theirs mails servers. In this case, the average time to read each email plus the average time to recover from the interruption was rounded out to 120 seconds (20 seconds less than the estimates for the British company). In other words, every employee spends an average of 1 hour and 20 minutes a day to read emails. The average salary per minute of all employees was calculated at half a dollar per person, and using the previously calculated time, this means that the cost to read each mail per employee for the company is 1 US$. Using the equation (ERD x (T1 + T2) x DS x NE) to calculate the annual cost of time to read emails every day at this company, we have: • Average number of emails received daily x person (ERD): 40. • Average time to read each message and average time to recover from the interruption (T1 + T2): 2 Minutes. • Average salary per minute in this company (DS): US$ 0.50. • Number of employees (NE): 480. • Base of 250 working days per year. The bottom line is that the estimated annual cost of the time invested at this company to read workrelated emails is 4.8 million dollars per year, but if they improved their written communication habits, the company could save at least half a million dollars per year (like the 8% the British company saved). How to estimate the cost of reading email in your company You can also use this equation to estimate the cost of the time used to read emails in your company (regardless of whether it is large or small, or whether it has many or few employees). You need: • The average number of valid workrelated emails that your employees read every day. • The average salary per minute of all employees that use email. Multiply these values, and then multiply the result by 2 (the average minutes required to read each message plus the time to recover from the interruption). The result is then multiplied by the number of employees and by the 250 working days in a year (as an average). The total will give you an approximate cost of the time spent to read workrelated emails at your company. See the cost of reading emails in companies. (Fragment from Email at the workplace by Juan Carlos Jimenez. See it at Google Books). Are we aware of how we use email at workplace? 
Emailproductivity.com  Juan Carlos Jimenez

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