I am a Copper customer since 2 months now. Here is my review of the product.The good:- I like the integration with Gmail. It's efficient to use the copper extension for Chrome.- The UI with company, persons, tasks, calendars entries etc. is efficient to use as you have a good master/detail view that is quick to navigate.The bad:- The search & select interface is too limited. Selecting multiple people on various criteria is impossible. Only very limited searching is possible.The terrible:- In 2019, Copper does not support international character sets! You cannot import utf8 data into Copper which means you basically can't use the product outside the US without a lot of manual work. This is unacceptable.- The bulk email send feature is useless for anything but trivial emails. For example embedding an image is impossible!The product is pretty good, but I wouldn't call it production ready yet.
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