You are the doctor, dentist, cosmetologist or restaurant manager, massagist, hairdresser, manicure, barber shop or maybe hotel manager, reception worker, working with clients? You should manage your client list, their time, progress, plans? Are you still making notes in your long book, appointment book, reception book or making visitors log, or using stickers?! Sometimes clients did not come or moving his time, you must cross his record, insert new lines for new records, crossing again... Stop