Document:

EXHIBIT 4.2
                               RETRIEVAL DYNAMICS
                   INFORMATION MANGEMENT FOR THE PROFESSIONAL

                           CONVERTIBLE PROMISSORY NOTE

March 1, 2000

FOR VALUE RECEIVED, RETRIEVAL DYNAMICS CORPORATION, A Florida Corporation, whose
address is 630 S. Orange  Avenue,  Suite 102,  Sarasota,  Fl.  34243,  ("Maker")
promises  to pay to  Clifford  L. Tager  ("Lender"),  whose  address is 57 North
Street, Danbury, Connecticut,  06810, or his (her) assignee the principal sum of
Fifteen Thousand Dollars ($15,000.00) together with interest as follows:

*    Simple interest shall accrue on the unpaid  principal  balance at a rate of
     Nine Percent (9%) per annum and payable at maturity.

*    The principal  balance and any accrued but unpai interest  hereunder is due
     and shall be payable in not more than thirty days (30days) following one of
     the following events:

     1.   The Maker enters into or performs an Initial Public  Offering for its'
          Common Stock under the Securities and Exchange Act of 1933.
     2.   The Maker enters into an agreement to merger,  or reverse  merger with
          another Corporation.
     3.   The Maker  enters  into an  agreement  to sell or cause to be sold the
          Stock of the Corporation under a but-out agreement.

Should the Maker effect or cause to affect the events  stipulated under (1), (2)
or (3) above, the Lender, at his /her sole discretion has the right to:

*    Request payment of principal and interest

*    Convert the  Promissory  Note and  interest,  into the Common  Stock of the
     Maker or the surviving  Corporation.  If available,  the Lender may request
     Preferred Stock.

*    Convert any part of the  principal  and interest due, into The Common Stock
     of the Maker or the surviving Corporation. The Lender may request Preferred
     Stock if available.

The Lender, upon election of his/her conversion option,  shall have the right to
acquire the Common Stock, Preferred if available,  of the Maker or the surviving
Corporation  at a price equal to Fifty  Percent (50%) of the market price at the
time of offering. In the event that the Nasdaq- OTC price structure is used, the
price shall be computed at Fifty Percent (50%) of the average,  BID / ASK price,
at the time of offering.

IN WITHNESS  WHEREOF,  the  undersigned has caused this Note to be signed by its
duly authorized Officer, and this Note to be dated this 1st day of March 2000.

                              RETRIEVAL DYNAMICS CORPORATION

                              By: /s/ Peter Voghel
                              Name:   Peter Voghel
                              Title:   President and Chief Executive OfficerEXHIBIT 4.3
                               RETRIEVAL DYNAMICS
                   INFORMATION MANGEMENT FOR THE PROFESSIONAL

                           CONVERTIBLE PROMISSORY NOTE

April 1, 2000

FOR VALUE RECEIVED, RETRIEVAL DYNAMICS CORPORATION, A Florida Corporation, whose
address is 630 S. Orange  Avenue,  Suite 102,  Sarasota,  Fl.  34243,  ("Maker")
promises  to pay to  Clifford  L. Tager  ("Lender"),  whose  address is 57 North
Street, Danbury, Connecticut,  06810, or his (her) assignee the principal sum of
SixThousand Dollars ($6,000.00) together with interest as follows:

*    Simple interest shall accrue on the unpaid  principal  balance at a rate of
     Nine Percent (9%) per annum and payable at maturity.

*    The principal  balance and any accrued but unpai interest  hereunder is due
     and shall be payable in not more than thirty days (30days) following one of
     the following events:

     1.   The Maker enters into or performs an Initial Public  Offering for its'
          Common Stock under the Securities and Exchange Act of 1933.
     2.   The Maker enters into an agreement to merger,  or reverse  merger with
          another Corporation.
     3.   The Maker  enters  into an  agreement  to sell or cause to be sold the
          Stock of the Corporation under a but-out agreement.

Should the Maker effect or cause to affect the events  stipulated under (1), (2)
or (3) above, the Lender, at his /her sole discretion has the right to:

* Request payment of principal and interest

*    Convert the  Promissory  Note and  interest,  into the Common  Stock of the
     Maker or the surviving  Corporation.  If available,  the Lender may request
     Preferred Stock.

*    Convert any part of the  principal  and interest due, into The Common Stock
     of the Maker or the surviving Corporation. The Lender may request Preferred
     Stock if available.

The Lender, upon election of his/her conversion option,  shall have the right to
acquire the Common Stock, Preferred if available,  of the Maker or the surviving
Corporation  at a price equal to Fifty  Percent (50%) of the market price at the
time of offering. In the event that the Nasdaq- OTC price structure is used, the
price shall be computed at Fifty Percent (50%) of the average,  BID / ASK price,
at the time of offering.

IN WITHNESS  WHEREOF,  the  undersigned has caused this Note to be signed by its
duly authorized Officer, and this Note to be dated this 1st day of April 2000.

                              RETRIEVAL DYNAMICS CORPORATION

                              By: /s/ Peter Voghel
                              Name:   Peter Voghel
                              Title:   President and Chief Executive OfficerEXHIBIT 4.4
                               RETRIEVAL DYNAMICS
                   INFORMATION MANGEMENT FOR THE PROFESSIONAL

                           CONVERTIBLE PROMISSORY NOTE

$10,000                                                           April 11,2000

FOR VALUE RECEIVED, RETRIEVAL DYNAMICS CORPORATION, A Florida Corporation, whose
address is 630 S. Orange  Avenue,  Suite 102,  Sarasota,  Fl.  34243,  ("Maker")
promises to pay to Mr. Ned W.  Shawkey and Helen  Shawkey,  Trustee  ("Lender"),
whose  address  is,  4134  Eastwood  Drive,  Sarasota,  Fl.  34232,or  his (her)
assignee,  the principal sum of Ten Thousand  Dollars  ($10,000),  together with
interest as follows:

*    Simple interest shall accrue on the unpaid  principal  balance at a rate of
     Nine Percent (9%) per annum and payable at maturity.

*    The principal  balance and any accrued but unpai interest  hereunder is due
     and shall be payable in not more than thirty days (30days) following one of
     the following events:

     1.   The Maker enters into or performs an Initial Public  Offering for its'
          Common Stock under the Securities and Exchange Act of 1933.
     2.   The Maker enters into an agreement to merger,  or reverse  merger with
          another Corporation.
     3.   The Maker  enters  into an  agreement  to sell or cause to be sold the
          Stock of the Corporation under a but-out agreement.

Should the Maker effect or cause to affect the events  stipulated under (1), (2)
or (3) above, the Lender, at his /her sole discretion has the right to:

* Request payment of principal and interest

*    Convert the  Promissory  Note and  interest,  into the Common  Stock of the
     Maker or the surviving  Corporation.  If available,  the Lender may request
     Preferred Stock.

*    Convert any part of the  principal  and interest due, into The Common Stock
     of the Maker or the surviving Corporation. The Lender may request Preferred
     Stock if available.

The Lender, upon election of his/her conversion option,  shall have the right to
acquire the Common Stock, Preferred if available,  of the Maker or the surviving
Corporation  at a price equal to Fifty  Percent (50%) of the market price at the
time of offering. In the event that the Nasdaq- OTC price structure is used, the
price shall be computed at Fifty Percent (50%) of the average,  BID / ASK price,
at the time of offering.

IN WITHNESS  WHEREOF,  the  undersigned has caused this Note to be signed by its
duly authorized Officer, and this Note to be dated this 11th day of April 2000.

                              RETRIEVAL DYNAMICS CORPORATION

                              By: /s/ Peter Voghel
                              Name:   Peter Voghel
                              Title:   President and Chief Executive OfficerEXHIBIT 4.5
                               RETRIEVAL DYNAMICS
                   INFORMATION MANGEMENT FOR THE PROFESSIONAL

                           CONVERTIBLE PROMISSORY NOTE

$50,000                                                          April 11,2000

FOR VALUE RECEIVED, RETRIEVAL DYNAMICS CORPORATION, A Florida Corporation, whose
address is 630 S. Orange  Avenue,  Suite 102,  Sarasota,  Fl.  34243,  ("Maker")
promises  to pay to  Charles  H.  Fridley & Teresa  S.  Fridley,  Joint  Tenants
("Lender"),  whose address is, 4913 Hanging Moss Lane,  Sarasota,  Fl. 34238, or
his (her)  assignee,  the principal  sum of Fifty  Thousand  Dollars  ($50,000),
together with interest as follows:

*    Simple interest shall accrue on the unpaid  principal  balance at a rate of
     Nine Percent (9%) per annum and payable at maturity.

*    The principal  balance and any accrued but unpai interest  hereunder is due
     and shall be payable in not more than thirty days (30days) following one of
     the following events:

     1.   The Maker enters into or performs an Initial Public  Offering for its'
          Common Stock under the Securities and Exchange Act of 1933.
     2.   The Maker enters into an agreement to merger,  or reverse  merger with
          another Corporation.
     3.   The Maker  enters  into an  agreement  to sell or cause to be sold the
          Stock of the Corporation under a but-out agreement.

Should the Maker effect or cause to affect the events  stipulated under (1), (2)
or (3) above, the Lender, at his /her sole discretion has the right to:

*    Request payment of principal and interest

*    Convert the  Promissory  Note and  interest,  into the Common  Stock of the
     Maker or the surviving  Corporation.  If available,  the Lender may request
     Preferred Stock.

*    Convert any part of the  principal  and interest due, into The Common Stock
     of the Maker or the surviving Corporation. The Lender may request Preferred
     Stock if available.

The Lender, upon election of his/her conversion option,  shall have the right to
acquire the Common Stock, Preferred if available,  of the Maker or the surviving
Corporation  at a price equal to Fifty  Percent (50%) of the market price at the
time of offering. In the event that the Nasdaq- OTC price structure is used, the
price shall be computed at Fifty Percent (50%) of the average,  BID / ASK price,
at the time of offering.

IN WITHNESS  WHEREOF,  the  undersigned has caused this Note to be signed by its
duly authorized Officer, and this Note to be dated this 11th day of April 2000.

                              RETRIEVAL DYNAMICS CORPORATION

                              By: /s/ Peter Voghel
                              Name:   Peter Voghel
                              Title:   President and Chief Executive Officer

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